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List of entries for
14 CFR 39 - AIRWORTHINESS DIRECTIVES [ 14 CFR 39 ]

[ Date Range: 02/01/2013 to 04/11/2013 ]

146 ENTRIES [ 80 RULES; 66 PROPOSED RULES ]



Note: There is a more recent entry from 3/21/2014 available for this CFR part. Click here to view.


1

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Type: RULE
FR Reference: 78 FR 7257 [Volume: 78, Number: 22 (pages 7257 to 7259)]
Date: 02-01-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all Airbus Model A330-200 Freighter series airplanes; Model A330-200 and -300 series airplanes; and Model A340-200 and -300 series airplanes. This AD was prompted by a report of a manufacturing defect in certain rods installed in the belly fairing, which could lead to cracks at the crimped end of the rod. This AD requires an inspection of the rods to determine the manufacturer; and for affected parts, an inspection for any cracking of the rods, and related investigative and corrective actions if necessary. We are issuing this AD to detect and correct cracking of the rods, which could result in rupture of rods that attach the belly fairing to the airframe, leading to separation of the belly fairing from the airframe, and consequent damage to airplane structure and airplane systems.

View Details » 78 FR 7257

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2

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Type: RULE
FR Reference: 78 FR 7259 [Volume: 78, Number: 22 (pages 7259 to 7261)]
Date: 02-01-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; BAE SYSTEMS (OPERATIONS) LIMITED Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all BAE SYSTEMS (OPERATIONS) LIMITED Model BAe 146, and Avro 146-RJ series airplanes. This AD was prompted by a report of loss of the end caps on the anti-icing piccolo tube of the wing leading edge. This AD requires a detailed inspection of the end caps on the anti-icing piccolo tube for lost or loose end caps, and replacing or repairing the end caps if necessary. We are issuing this AD to detect and correct lost and loose end caps on the anti-icing piccolo tube, and ice accretion on the wing leading edge or run-back ice, which could lead to a reduction in the stall margin on approach and loss of controllability of the airplane.

View Details » 78 FR 7259

ADHERE

3

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Type: RULE
FR Reference: 78 FR 7261 [Volume: 78, Number: 22 (pages 7261 to 7262)]
Date: 02-01-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all Airbus Model A310-203 airplanes. This AD was prompted by a report of an analysis that demonstrated a reduced fatigue life for the side link bolts, center sway link bolts, and thrust link bolts on the forward engine mounts. This AD requires repetitive replacement of those bolts. We are issuing this AD to prevent deterioration of the structural integrity of the bolts, which could result in possible damage to an engine or wing.

View Details » 78 FR 7261

4

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Type: RULE
FR Reference: 78 FR 7262 [Volume: 78, Number: 22 (pages 7262 to 7264)]
Date: 02-01-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; EADS CASA (Type Certificate Previously Held by Construcciones Aeronáuticas, S.A.) Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all EADS CASA (Type Certificate previously held by Construcciones Aeronáuticas, S.A.) Model CN-235, CN-235-100, CN-235-200, and CN-235-300 airplanes. This AD was prompted by reports of incorrect electrical polarity connections on engine fire extinguishing discharge cartridges. This AD requires a one-time inspection to identify the correct polarity for each pair of electrical connectors on each engine fire extinguisher cartridge, and repair if necessary. We are issuing this AD to detect and correct incorrect polarity connections, which could prevent the actuation of the discharge cartridge in case of automatic fire detection or manual initiation during a potential engine fire, and could result in damage to the airplane and injury to passengers.

View Details » 78 FR 7262

5

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Type: RULE
FR Reference: 78 FR 7641 [Volume: 78, Number: 23 (pages 7641 to 7642)]
Date: 02-04-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Eurocopter France Helicopters

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for Eurocopter France (Eurocopter) Model AS350B3 and EC130B4 helicopters. This AD requires revising the Limitations section of the Rotorcraft Flight Manual (RFM) to reduce the starter generator operating current to 180 amperes (amps) and installing a placard in the instrument panel indicating the revised limitation. This AD was prompted by the determination that the manufacturer-installed Aircraft Parts Corporation (APC) starter generator has exceeded the shaft horse power extractions allowed for Turbomeca engines. The actions of this AD are intended to prevent the engine surge margin being reduced, which can result in engine failure.

View Details » 78 FR 7641

6

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Type: RULE
FR Reference: 78 FR 7642 [Volume: 78, Number: 23 (pages 7642 to 7645)]
Date: 02-04-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Piper Aircraft, Inc.

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Piper Aircraft, Inc. (type certificate previously held by The New Piper Aircraft Inc.) PA-28, PA-32, PA-34, and PA-44 airplanes. This AD was prompted by reports of control cable assembly failures that may lead to failure of the horizontal stabilator control system and could result in loss of pitch control. This AD requires inspections of the stabilator control system and replacement of parts as necessary. We are issuing this AD to correct the unsafe condition on these products.

View Details » 78 FR 7642

7

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Type: RULE
FR Reference: 78 FR 7645 [Volume: 78, Number: 23 (pages 7645 to 7647)]
Date: 02-04-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Bell Helicopter Textron, Inc., Helicopters

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for Bell Helicopter Textron, Inc. (Bell), Model 412 and 412EP helicopters. This AD requires creating a component history card or equivalent record and begin counting and recording the number of accumulated landings for each high aft crosstube assembly (crosstube). Also, this AD requires installing “caution” decals regarding towing of a helicopter at or above 8,900 pounds. This AD also requires confirming the crosstube is within the horizontal deflection limits and replacing it if it is not. This AD also requires a recurring fluorescent penetrant inspection (FPI) of each crosstube and upper center support for a crack, any corrosion, nick, scratch, dent, or any other damage. This AD requires repairing damaged crosstubes and upper center supports that are within acceptable limits, reworking crosstubes by bonding on abrasion strips, and replacing each unairworthy crosstube with an airworthy crosstube. This AD was prompted by analysis of the crosstubes conducted as a result of recent field failures and corrosion problems of the affected crosstubes. The actions are intended to prevent failure of a crosstube, collapse of the landing gear, and subsequent loss of control of the helicopter.

View Details » 78 FR 7645

8

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Type: RULE
FR Reference: 78 FR 7647 [Volume: 78, Number: 23 (pages 7647 to 7650)]
Date: 02-04-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Bombardier, Inc. Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes. This AD was prompted by a report that the safe life limit and inspection requirements for the horizontal stabilizer trim actuator (HSTA) attachment pins and trunnions were not listed in the Airworthiness Limitations Section of the maintenance program. This AD requires inspecting the trunnions and upper and lower pins for gouges, scratches, and corrosion, and replacing the trunnions if necessary; and adding serial numbers and new part numbers to certain trunnions, and upper and lower pins. This AD also requires revising the maintenance program to incorporate the information specified in certain temporary revisions of the limitations section. We are issuing this AD to detect and correct cracking, gouges, scratches, and corrosion of the HSTA attachment pins and trunnions, which could result in failure of these pins and trunnions and consequent disconnection of the horizontal stabilizer and subsequent loss of controllability of the airplane.

View Details » 78 FR 7647

9

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Type: RULE
FR Reference: 78 FR 9309 [Volume: 78, Number: 27 (pages 9309 to 9311)]
Date: 02-08-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; MD Helicopters, Inc., Helicopters

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for MD Helicopters, Inc. (MDHI) Model 500N, 600N and MD900 helicopters to require determining the cure date for each NOTAR fan blade tension-torsion strap (T-T strap), establishing a calendar-time retirement life for certain T-T straps, reducing the retirement life of certain T-T straps, marking each T-T strap with the expiration date, creating a component record card for each T-T strap, and revising the airworthiness limitations section of the maintenance manual to reflect the changes to the retirement life. This AD was prompted by a report from the T-T strap manufacturer that, over a period of time, moisture may reduce the strength of a T-T strap. The actions are intended to prevent failure of a T-T strap, loss of directional control and subsequent loss of control of the helicopter.

View Details » 78 FR 9309

10

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Type: RULE
FR Reference: 78 FR 9581 [Volume: 78, Number: 28 (pages 9581 to 9583)]
Date: 02-11-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Airbus Model A300 B4-600, B4-600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called A300-600 series airplanes); and Model A310 series airplanes. This AD was prompted by reports of cracking through the honeycomb core closed with phenolic resin. This condition could result in extended debonding and could adversely affect the structural integrity of the rudder. This AD requires inspecting to determine the serial number of a certain rudder and replacing the rudder with a new or serviceable rudder if necessary. We are issuing this AD to prevent extended de-bonding, which could result in loss of the rudder and consequent reduced controllability of the airplane.

View Details » 78 FR 9581

11

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Type: RULE
FR Reference: 78 FR 9777 [Volume: 78, Number: 29 (pages 9777 to 9779)]
Date: 02-12-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Eurocopter France Helicopters

CFR References: 14 CFR 39

Action: Final rule; request for comments.

Summary: We are superseding an existing airworthiness directive (AD) for Eurocopter France (Eurocopter) Model EC 155B, EC155B1, SA-365N1, AS-365N2 and AS 365 N3 helicopters. That AD currently requires inspecting certain tail rotor hubs (TRH) for a crack and removing any cracked TRH. This AD requires the same actions but adds more part numbers to the list of affected TRHs. This AD is prompted by further analysis that indicates that additional part-numbered TRHs must be inspected for cracks. The actions specified by this AD are intended to detect a crack in the TRH and prevent the tail rotor from jamming, which could lead to reduced or loss of control of the helicopter.

View Details » 78 FR 9777

12

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Type: RULE
FR Reference: 78 FR 9779 [Volume: 78, Number: 29 (pages 9779 to 9781)]
Date: 02-12-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Hawker Beechcraft Corporation (Type Certificate Previously Held by Raytheon Aircraft Company; Beech Aircraft Corporation) Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Hawker Beechcraft Corporation (Type Certificate previously held by Raytheon Aircraft Company; Beech Aircraft Corporation) Model 400A airplanes. This AD was prompted by a report that the wiring for the 5-volt direct current (DC) system is undersized and does not have adequate circuit protection for the smaller gauge wire. This AD requires installing an in-line fuse in the 5-volt DC system for each of the five instrument lighting control power supplies. We are issuing this AD to prevent failure of the wiring, which could result in smoke in the cockpit, loss of cockpit lighting, and potential damage to surrounding wiring for other cockpit equipment such as the stick shaker function or angle-of-attack indicators.

View Details » 78 FR 9779

13

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Type: RULE
FR Reference: 78 FR 9781 [Volume: 78, Number: 29 (pages 9781 to 9783)]
Date: 02-12-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Pacific Aerospace Limited Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are superseding an existing airworthiness directive (AD) for all Pacific Aerospace Limited Models FU24-954 and FU24A-954 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as aircraft operating outside the aircraft aft center of gravity (C of G) limits during parachute-drop operations. Exceeding C of G limits could result in loss of control of the aircraft. We are issuing this AD to require actions to address the unsafe condition on these products.

View Details » 78 FR 9781

14

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Type: RULE
FR Reference: 78 FR 9783 [Volume: 78, Number: 29 (pages 9783 to 9785)]
Date: 02-12-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Bombardier, Inc. Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model CL-600-1A11 (CL-600), CL-600-2A12 (CL-601), and CL-600-2B16 (CL-601-3A, CL-601-3R, & CL-604 Variants) airplanes. This AD was prompted by reports of cracking found on the upper and lower Web of the engine support beam. This AD requires revising the maintenance program. We are issuing this AD to detect and correct fatigue cracking of the engine support beam, which could result in failure of the engine support beam and affect the structural integrity of the airplane.

View Details » 78 FR 9783

15

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Type: RULE
FR Reference: 78 FR 9785 [Volume: 78, Number: 29 (pages 9785 to 9787)]
Date: 02-12-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Lindstrand Hot Air Balloons Ltd Appliances

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Lindstrand Hot Air Balloons Ltd female ACME threaded hose connectors, part numbers HS6139 and HS6144, installed on balloons. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as insufficient tightness of the threaded hose connector in the assembly area that could result in fuel leakage. We are issuing this AD to require actions to address the unsafe condition on these products.

View Details » 78 FR 9785

16

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Type: RULE
FR Reference: 78 FR 9787 [Volume: 78, Number: 29 (pages 9787 to 9789)]
Date: 02-12-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all Airbus Model A300 B4-600, B4-600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called Model A300-600 series airplanes); and AirbusModel A310 series airplanes. This AD was prompted by fuel system reviews conducted by the European Aviation Safety Agency (EASA). This AD requires modifying the electrical control circuits of the inner, center, and trim tank pumps, as applicable. We are issuing this AD to reduce the potential of ignition sources inside fuel tanks, which, in combination with flammable fuel vapors, could result in fuel tank explosions and consequent loss of the airplane.

View Details » 78 FR 9787

17

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Type: RULE
FR Reference: 78 FR 9789 [Volume: 78, Number: 29 (pages 9789 to 9791)]
Date: 02-12-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Schweizer Aircraft Corporation

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for theSchweizer Aircraft Corporation (Schweizer) Model 269D and Model 269D Configuration A helicopters. The type certificate for these models is currently held by Sikorsky Aircraft Corporation (Sikorsky). This AD requires inspecting the aft fuselage assembly in the area around the attachment point of the horizontal stabilizer, including the paint, for a crack. This AD also requires inspecting the tailboom interior support structure, and if necessary, installing an inspection panel kit in the aft fuselage assembly, and installing doublers in the stabilizer support brackets. This AD is prompted by reports of loose horizontal stabilizers and cracks in the stabilizer support structure for the extruded tailboom. The actions are intended to prevent separation of the horizontal stabilizer from the helicopter and subsequent loss of control of the helicopter.

View Details » 78 FR 9789

18

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Type: RULE
FR Reference: 78 FR 9792 [Volume: 78, Number: 29 (pages 9792 to 9793)]
Date: 02-12-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; DG Flugzeugbau GmbH Gliders

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for DG Flugzeugbau GmbH Model DG-1000T gliders equipped with Solo Kleinmotoren Model 2350 C engines. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as a material defect of the propeller shaft, most likely caused by a manufacturing error. We are issuing this AD to require actions to address the unsafe condition on these products.

View Details » 78 FR 9792

19

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Type: RULE
FR Reference: 78 FR 9793 [Volume: 78, Number: 29 (pages 9793 to 9796)]
Date: 02-12-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Bell Helicopter Textron Helicopters

CFR References: 14 CFR 39

Action: Final rule; request for comments.

Summary: We are superseding an existing airworthiness directive (AD) for the Bell Helicopter Textron (Bell) Model 212 helicopters and adopting requirements for Bell Model 204B, 205A, 205A-1, 205B and 210 helicopters with certain part-numbered main rotor hub inboard strap fittings (fittings). This AD requires magnetic particle inspecting (MPI) the fittings fora crack, and if a crack exists, replacing the fittings with airworthy fittings. This AD is prompted by reports of additional cracked fittings and the determination that additional part-numbered fittings may not have been manufactured in accordance with approved manufacturing processes and controls. These actions are intended to identify a crack in the fitting, which may lead to the fitting's failure, loss of a main rotor blade, and subsequent loss of helicopter control.

View Details » 78 FR 9793

20

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Type: RULE
FR Reference: 78 FR 9796 [Volume: 78, Number: 29 (pages 9796 to 9798)]
Date: 02-12-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Cessna Aircraft Company Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Cessna Aircraft Company Models 172R and 172S airplanes. This AD was prompted by reports of chafing of a new configuration of the fuel return line assembly, which was caused by the fuel return line assembly rubbing against the right steering tube assembly during rudder pedal actuation. This AD requires you to install the forward and aft fuel return line support clamps and brackets; inspect for a minimum clearance between the fuel return line assembly and the steering tube assembly and clearance between the fuel return line assembly and the airplane structure; and, if any damage is found, replace the fuel return line assembly. We are issuing this AD to correct the unsafe condition on these products.

View Details » 78 FR 9796

21

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Type: RULE
FR Reference: 78 FR 9798 [Volume: 78, Number: 29 (pages 9798 to 9800)]
Date: 02-12-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Dassault Aviation Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all Dassault Aviation Model Mystere-Falcon 50 airplanes. This AD was prompted by a manufacturer revision to the airplane maintenance manual (AMM) that introduces new or more restrictive maintenance requirements and airworthiness limitations. This AD requires revising the maintenance program to incorporate new or revised maintenance requirements and airworthiness limitations. We are issuing this AD to prevent reduced structural integrity of the airplane.

View Details » 78 FR 9798

22

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Type: RULE
FR Reference: 78 FR 9800 [Volume: 78, Number: 29 (pages 9800 to 9802)]
Date: 02-12-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Embraer S.A. Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certainEmbraer S.A. Model ERJ 170 and ERJ 190 airplanes. This AD was prompted by reports of the cockpit door falling off the hinges when it is being opened or closed. This AD requires replacing the striker and quick-release pin of the passive lock of the cockpit door, and replacing the upper and lower hinges of the cockpit door. We are issuing this AD to prevent the cockpit door from falling off the hinges, which could cause injury to airplane occupants.

View Details » 78 FR 9800

23

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Type: RULE
FR Reference: 78 FR 10499 [Volume: 78, Number: 31 (pages 10499 to 10501)]
Date: 02-14-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are superseding an existing airworthiness directive (AD) for certain The Boeing Company Model 707 airplanes, and Model 720 and 720B series airplanes. That AD currently requires replacing wiring for the fuel boost pumps and override pumps with new wiring, installing Teflon sleeving on the wiring, and doing associated actions; and doing repetitive inspections to detect damage of the wiring or evidence of a fuel leak. This new AD reduces the repetitive inspection interval. This AD was prompted by a determination that an inspection interval must be reduced. We are issuing this AD to detect and correct damaged wiring for the fuel boost pumps and override pumps, which could cause electrical arcing that could puncture the conduit containing the wire, and result in a fuel tank explosion or a fire adjacent to the fuel tank.

View Details » 78 FR 10499

24

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Type: RULE
FR Reference: 78 FR 10501 [Volume: 78, Number: 31 (pages 10501 to 10503)]
Date: 02-14-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all Rolls-Royce Deutschland Ltd & Co KG (RRD) BR700-710A1-10 and BR700-710A2-20 turbofan engines, and certain BR700-710C4-11 model engines. This AD was prompted by RRD performing an evaluation that determined that certain high-pressure turbine (HPT) stage 1 and stage 2 discs from a specific supplier may contain steel inclusions that may cause the discs to fail before they reach their current life limits. This AD requires reducing the life limits for certain HPT stage 1 and stage 2 discs. We are issuing this AD to prevent failure of the HPT stage 1 and stage 2 discs, which could result in uncontained failure of the engine and damage to the airplane.

View Details » 78 FR 10501

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Type: RULE
FR Reference: 78 FR 11563 [Volume: 78, Number: 33 (pages 11563 to 11565)]
Date: 02-19-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Pratt & Whitney Canada Corp Turboshaft Engines

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certainPratt & Whitney Canada Corp. (P&WC) PT6C-67C turboshaft engines. This AD requires initial and repetitive borescope inspections to verify the presence of a retaining ring securing the power turbine (PT) baffle located near the second stage PT disk. If the engine fails the inspection, this AD also requires removing the engine from service before further flight. This AD was prompted by five reported incidents of second stage PT disk damage. We are issuing this AD to prevent damage to the PT disk which, if undetected, could cause uncontained PT disk failure and loss of control of the helicopter.

View Details » 78 FR 11563

26

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Type: RULE
FR Reference: 78 FR 11565 [Volume: 78, Number: 33 (pages 11565 to 11567)]
Date: 02-19-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Pratt & Whitney Canada Corp. Turboshaft Engines

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain serial number Pratt & Whitney Canada Corp. PW206B, PW206B2, PW206C, PW207C, PW207D, PW207D1, PW207D2, and PW207E turboshaft engines. This AD was prompted by the discovery that certain power turbine (PT) disks were made to specific heat codes that may not achieve the maximum in-service life. This AD requires re-identification of the PT disk to a part number (P/N) with a lower life limit. We are issuing this AD to prevent possible uncontained PT disk failure and loss of helicopter control.

View Details » 78 FR 11565

27

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Type: RULE
FR Reference: 78 FR 11567 [Volume: 78, Number: 33 (pages 11567 to 11568)]
Date: 02-19-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Gulfstream Aerospace LP (Type Certificate Previously Held by Israel Aircraft Industries, Ltd.) Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all Gulfstream Aerospace LP (Type Certificate Previously Held by Israel Aircraft Industries, Ltd.) Model Gulfstream G150 airplanes. This AD was prompted by a review that determined that the runway slope and anti-ice corrections to V 1 and take-off distances in the Gulfstream G150 Airplane Flight Manual (AFM) were presented in a non-conservative manner. This AD requires revising the performance section of the AFM to include procedures to advise the flightcrew of certain runway slope and anti-ice corrections and take-off distance values. We are issuing this AD to prevent the use of published non-conservative data, which could result in the inability to meet the required take-off performance, with consequent hazard to safe operation during performance-limited take-off operations.

View Details » 78 FR 11567

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Type: RULE
FR Reference: 78 FR 11569 [Volume: 78, Number: 33 (pages 11569 to 11572)]
Date: 02-19-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all The Boeing Company Model 757 airplanes. This AD was prompted by reports of fuel leaking from the front spar of the wing through the slat track housing. This AD requires a detailed inspection of the inboard and outboard main slat track downstop assemblies and a torque application to the main track downstop assembly nuts of slat numbers 1 through 10, excluding the outboard track of slats 1 and 10; a detailed inspection of all slat track housings for foreign object debris (FOD) and visible damage; and corrective actions if necessary. We are issuing this AD to detect and correct incorrectly installed main slat track downstop assemblies, which, when the slat is retracted, could cause a puncture in the slat track housing and lead to a fuel leak and potential fire.

View Details » 78 FR 11569

29

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Type: RULE
FR Reference: 78 FR 11572 [Volume: 78, Number: 33 (pages 11572 to 11575)]
Date: 02-19-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are superseding an existing airworthiness directive (AD) for all Pilatus Aircraft Ltd. Models PC-12, PC-12/45, PC-12/47, and PC-12/47E airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as a need to incorporate new revisions into the Limitations section, Chapter 4, of the FAA-approved maintenance program (e.g., maintenance manual). We are issuing this AD to require actions to address the unsafe condition on these products.

View Details » 78 FR 11572

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Type: RULE
FR Reference: 78 FR 11972 [Volume: 78, Number: 35 (pages 11972 to 11975)]
Date: 02-21-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-200, -200C, -300, -400, and -500 series airplanes. This AD was prompted by reports of cracks in the skin and surrounding structure under the number 3 very high frequency (VHF) antenna on the lower external surface of the airplane at buttock line 0.0, aft of the main landing gear wheel well. This AD requires inspecting for cracking and corrosion under the number 3 VHF antenna, and corrective actions if necessary; and, for certain airplanes, replacing bonded skin panels with solid skin panels if not previously accomplished. This AD also provides an optional preventive modification (which would terminate the inspection requirements for certain airplanes). We are issuing this AD to detect and correct cracks and corrosion of the skin and surrounding structure under the number 3 VHF antenna, which could result in separation of the antenna from the airplane, and rapid depressurization of the airplane.

View Details » 78 FR 11972

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Type: RULE
FR Reference: 78 FR 11976 [Volume: 78, Number: 35 (pages 11976 to 11978)]
Date: 02-21-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Rolls-Royce plc Turbofan Engines

CFR References: 14 CFR 39

Action: Final rule; request for comments.

Summary: We are superseding an existing airworthiness directive (AD) for all Rolls-Royce plc (RR) RB211-524 series turbofan engines. That AD currently requires removal and repair of certain thrust reverser units (TRUs) prior to reinstallation. This AD requires the same actions for an expanded population of TRUs and extends the compliance time for repairing certain TRUs. This AD was prompted by additional engineering evaluation of TRUs, as a result of a translating cowl gearbox stubshaft failure and subsequent repair. We are issuing this AD to prevent failure of the attachment rivets, which may result in release of the TRU from the engine.

View Details » 78 FR 11976

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Type: RULE
FR Reference: 78 FR 11978 [Volume: 78, Number: 35 (pages 11978 to 11980)]
Date: 02-21-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Reims Aviation S.A. Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for Reims Aviation S.A. Model F406 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as improper material used in nose landing gear (NLG) attachment brackets could lead to failure of the NLG bracket with consequent damage to the airplane while landing. We are issuing this AD to require actions to address the unsafe condition on these products.

View Details » 78 FR 11978

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Type: RULE
FR Reference: 78 FR 12231 [Volume: 78, Number: 36 (pages 12231 to 12233)]
Date: 02-22-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Final rule; request for comments.

Summary: We are adopting a new airworthiness directive (AD) for all The Boeing Company Model 787-8 airplanes. This emergency AD was sent previously to all known U.S. owners and operators of these airplanes. This AD requires modification of the battery system, or other actions. This AD was prompted by recent incidents involving lithium ion battery failures that resulted in release of flammable electrolytes, heat damage, and smoke. We are issuing this AD to correct damage to critical systems and structures, and the potential for fire in the electrical compartment.

View Details » 78 FR 12231

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Type: RULE
FR Reference: 78 FR 13463 [Volume: 78, Number: 40 (page 13463)]
Date: 02-28-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Final rule; correction.

Summary: The FAA is correcting an airworthiness directive (AD) that published in the Federal Register . That AD applies to certain The Boeing Company Model 757 airplanes. That AD incorrectly identified certain actions that are terminated in another AD. This document corrects that error. In all other respects, the original document remains the same.

View Details » 78 FR 13463

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Type: RULE
FR Reference: 78 FR 14158 [Volume: 78, Number: 43 (pages 14158 to 14160)]
Date: 03-05-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Bombardier, Inc. Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model DHC-8-102, -103, -106, -201, -202, -301, -311, and -315 airplanes. This AD was prompted by reports of the loss of the fixed frequency system, leading to the loss of power to the left and right buses and all systems serviced by these buses. This AD requires modification of the wiring and changes to existing airworthiness limitations. We are issuing this AD to prevent loss of the fixed frequency system, which could lead to loss of a number of the pilot's and co-pilot's flight instruments, in addition to other avionics systems.

View Details » 78 FR 14158

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Type: RULE
FR Reference: 78 FR 14160 [Volume: 78, Number: 43 (pages 14160 to 14162)]
Date: 03-05-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Diamond Aircraft Industries GmbH Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for Diamond Aircraft Industries GmbHModel H-36, HK 36 R, HK 36 TS, and HK 36 TTS airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as installation of an unsuitable self-locking nut on the bell crank of the elevator push rod that can cause failure of the elevator, resulting in loss of control. We are issuing this AD to require actions to address the unsafe condition on these products.

View Details » 78 FR 14160

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Type: RULE
FR Reference: 78 FR 14162 [Volume: 78, Number: 43 (pages 14162 to 14164)]
Date: 03-05-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Airbus Model A310-203, -204, -222, -304, -322, and -324 airplanes. This AD was prompted by a design review of the fuel tank access covers and analyses comparing compliance of the access covers to different tire burst models. ‘Type 21’ panels located within the debris zone revealed that they could not sustain the impact of the tire debris. This AD requires modifying the wing manhole surrounds and replacing certain fuel access panels. We are issuing this AD to prevent a possibility of a fire due to tire debris impact on the fuel access panels.

View Details » 78 FR 14162

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Type: RULE
FR Reference: 78 FR 14164 [Volume: 78, Number: 43 (pages 14164 to 14166)]
Date: 03-05-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Costruzioni Aeronautiche Tecnam srl Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for Costruzioni Aeronautiche Tecnam srl Model P2006T airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as multiple cracks found on the outboard aileron hinge support of a P2006T airplane during an inspection. We are issuing this AD to require actions to address the unsafe condition on these products.

View Details » 78 FR 14164

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Type: RULE
FR Reference: 78 FR 14442 [Volume: 78, Number: 44 (pages 14442 to 14444)]
Date: 03-06-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines

CFR References: 14 CFR 39

Action: Final rule; request for comments.

Summary: We are superseding an existing airworthiness directive (AD) for all Turbomeca S.A. Makila 1A2 turboshaft engines. That AD currently requires replacement of certain serial number (S/N) N2 sensor harnesses. This AD requires replacement of the same S/N harnesses, and requires replacement of additional S/N N2 sensor harnesses. This AD was prompted by corrosion detected in affected N2 sensor harnesses. We are issuing this AD to prevent inadvertent activation of the 65% N1 back up mode, resulting in N2 speed fluctuation, significant power loss, and emergency landing of the helicopter.

View Details » 78 FR 14442

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Type: RULE
FR Reference: 78 FR 14640 [Volume: 78, Number: 45 (pages 14640 to 14642)]
Date: 03-07-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Cessna Aircraft Company Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Cessna Aircraft Company Model 750 airplanes. This AD was prompted by reports of loss of displayed airspeed. This AD requires inspecting certain logic modules to determine if certain cabin altitude/pitot static heater module assemblies are installed and replacing those assemblies with a new assembly; and revising the Non-Normal Procedures Section of the airplane flight manual (AFM) to include procedures for resetting the pitot switch in the event of pitot heater failure and for total loss of airspeed indication. We are issuing this AD to prevent the loss of all displayed airspeed, which could result in reduced ability to control the airplane.

View Details » 78 FR 14640

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Type: RULE
FR Reference: 78 FR 14642 [Volume: 78, Number: 45 (pages 14642 to 14644)]
Date: 03-07-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; BAE SYSTEMS (OPERATIONS) LIMITED Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all BAE SYSTEMS (OPERATIONS) LIMITED Model BAe 146 and Avro 146-RJ series airplanes. This AD was prompted by a report that certain ceramic terminal blocks, through which the wiring for the engine fire extinguishers, fire detection circuits, and engine and intake anti-ice system are routed, have been found to have moisture ingress, which can degrade the insulation resistance of the ceramic terminal blocks. This AD requires a one-time insulation resistance test of ceramic terminal blocks, and if necessary, replacement of the blocks. We are issuing this AD to prevent latent failure of the number 2 fire bottle, which, in the event of an engine fire, could result in failure of the fire bottle to discharge when activated and possibly preventing the flightcrew from extinguishing an engine fire.

View Details » 78 FR 14642

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Type: RULE
FR Reference: 78 FR 14644 [Volume: 78, Number: 45 (pages 14644 to 14647)]
Date: 03-07-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-600, -700, -800, and -900ER series airplanes. This AD was prompted by incorrect wire support clamps installed within the left environmental control systems (ECS) bay, which could allow wiring to come in contact with the exposed metal of the improper clamp. This AD requires inspections to identify the part number of the wire support clamp, related investigative actions, and corrective actions if necessary. We are issuing this AD to prevent electrical arcing and a potential ignition source within the ECS bay, which in combination with flammable fuel vapors, could result in a center wing fuel tank explosion, and consequent loss of the airplane.

View Details » 78 FR 14644

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Type: RULE
FR Reference: 78 FR 14647 [Volume: 78, Number: 45 (pages 14647 to 14649)]
Date: 03-07-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Airbus Model A310-204, -222, -304, -322, and -324 airplanes. This AD was prompted by the manufacturer re-classifying slat extension eccentric bolts as principle structural elements (PSE) with replacement due at or before newly calculated fatigue life limits. This AD requires replacing slat extension eccentric bolts and associated washers with new slat extension eccentric bolts and washers. We are issuing this AD to prevent fatigue cracking, which could result in the loss of structural integrity of the airplane.

View Details » 78 FR 14647

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Type: RULE
FR Reference: 78 FR 15277 [Volume: 78, Number: 47 (pages 15277 to 15279)]
Date: 03-11-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Eurocopter France Helicopters

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for the Eurocopter France (Eurocopter) Model AS332C, AS332L, and AS332L1 helicopters. This AD requires modifying the main landing gear control panel (control panel) 33G, connector 100G, and wiring. It also requires tests to ensure that these modifications function correctly. This AD was prompted by reports of electro-valve power supply disruptions while a helicopter is on the ground, causing the landing gear to retract and the helicopter nose to drop. This results in damage to the forward section of the helicopter's bottom structure. The actions of this AD are intended to prevent an uncommanded landing gear retraction that would cause the helicopter nose to drop and hit the ground while the rotor blades are spinning.

View Details » 78 FR 15277

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Type: RULE
FR Reference: 78 FR 15279 [Volume: 78, Number: 47 (pages 15279 to 15280)]
Date: 03-11-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all Airbus Model A330-200 Freighter, -200, and -300 series airplanes; and Model A340-200, -300, -500, and -600 series airplanes. This AD was prompted by a report that erroneous height indication by one radio altimeter with engaged flare and retard mode, in case of go-around, might lead to a temporary loss of airplane longitudinal control. This AD requires revising the airplane flight manual. We are issuing this AD to ensure that the flightcrew applies the appropriate operational procedures in the event of an erroneous indication of the radio altimeter, which could result in temporary loss of airplane longitudinal control.

View Details » 78 FR 15279

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Type: RULE
FR Reference: 78 FR 15281 [Volume: 78, Number: 47 (pages 15281 to 15283)]
Date: 03-11-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all The Boeing Company Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), and MD-88 airplanes. This AD was prompted by reports of cracks of the hinge bearing lugs of the center section ribs of the horizontal stabilizer. This AD requires repetitive high frequency eddy current (HFEC) inspections for cracking of the left and right rib hinge bearing lugs of the aft face of the center section of the horizontal stabilizer; measuring crack length and blending out cracks; and replacing the horizontal stabilizer center section rib, if necessary. We are issuing this AD to detect and correct cracking in the hinge bearing lugs of the horizontal stabilizer center section ribs, which could result in failure of the lugs, and consequent inability of the horizontal stabilizer to sustain the required limit loads and loss of control of the airplane.

View Details » 78 FR 15281

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Type: RULE
FR Reference: 78 FR 15599 [Volume: 78, Number: 48 (pages 15599 to 15602)]
Date: 03-12-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Sikorsky Aircraft-Manufactured Model S-64F Helicopters

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for Sikorsky Aircraft Corporation-manufactured Model S-64F helicopters, now under the Erickson Air-Crane Incorporated (Erickson) Model S-64F type certificate. This AD supersedes an existing AD which requires inspections, rework, and replacement, if necessary, of the main gearbox (MGB) second stage lower planetary plate (plate). Since we issued that AD, the manufacturer has conducted a configuration review and analysis, and a review of the service history of certain components. The actions of this AD are intended to establish life limits for certain components, remove various parts from service, and require consistency in the part numbers of certain four bladed tail rotor (T/R) assemblies to prevent fatigue cracking, failure from static overload, and subsequent loss of control of the helicopter.

View Details » 78 FR 15599

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Type: RULE
FR Reference: 78 FR 15870 [Volume: 78, Number: 49 (pages 15870 to 15874)]
Date: 03-13-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Bombardier, Inc. Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes. This AD was prompted by reports that airplanes with a Class C cargo (baggage) compartment have liners that do not meet flammability requirements. This AD requires replacing the existing cargo compartment liners with liners that comply. We are issuing this AD to prevent inadequate fire protection in the cargo compartment and consequent uncontrolled fire.

View Details » 78 FR 15870

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Type: RULE
FR Reference: 78 FR 15874 [Volume: 78, Number: 49 (pages 15874 to 15876)]
Date: 03-13-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all Airbus Model A300 B4-600, B4-600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called Model A300-600 series airplanes); and Model A310 series airplanes. This AD was prompted by a report of an uncommanded slide back of the co-pilot seat to the end stop position. This AD requires a one-time inspection for a part number, a tensile test of the affected seats, and corrective actions if necessary. We are issuing this AD to detect and prevent unwanted movement of a pilot or co-pilot seat in the horizontal direction, which could lead to inadvertent input on the flight control commands and possibly result in loss of controllability of the airplane.

View Details » 78 FR 15874

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Type: RULE
FR Reference: 78 FR 16604 [Volume: 78, Number: 52 (pages 16604 to 16606)]
Date: 03-18-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Diamond Aircraft Industries GmbH Airplanes

CFR References: 14 CFR 39

Action: Final rule; request for comments.

Summary: We are adopting a new airworthiness directive (AD) for Diamond Aircraft Industries GmbH Models DA 42 M-NG and DA 42 NG airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as the engine air inlet filter is subject to icing. We are issuing this AD to require actions to address the unsafe condition on these products.

View Details » 78 FR 16604

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Type: RULE
FR Reference: 78 FR 17071 [Volume: 78, Number: 54 (pages 17071 to 17073)]
Date: 03-20-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Airbus Model A330-200, -300, and -200 Freighter series airplanes; and all Airbus Model A340-200 and -300 series airplanes. This AD was prompted by a determination that the bonding lead from a certain isolation valve to a frame was too close to an electrical harness, which might cause chafing between the electrical harness and the associated bonding lead. This chafing could lead to a short circuit of the isolation valve and consequent non-closure of the isolation valve, which would prevent the air flow to be shut off in case of fire. This AD requires modifying the bonding lead installation of the isolation valve. We are issuing this AD to prevent such chafing, which could result in non-closure of the isolation valve in the event of a fire and consequent damage to the airplane and injury to its occupants.

View Details » 78 FR 17071

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Type: RULE
FR Reference: 78 FR 17073 [Volume: 78, Number: 54 (pages 17073 to 17075)]
Date: 03-20-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Bombardier, Inc. Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model CL-600-2A12 (CL-601) and CL-600-2B16 (CL-601-3A, CL-601-3R, and CL-604 Variants) airplanes. This AD was prompted by reports of jamming/malfunctioning of the left-hand engine thrust control mechanism. This AD requires modifying the left-hand engine upper core-cowl. We are issuing this AD to prevent jamming/malfunctioning of the left-hand engine thrust control mechanism, which could lead to loss of control of the airplane.

View Details » 78 FR 17073

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Type: RULE
FR Reference: 78 FR 17075 [Volume: 78, Number: 54 (pages 17075 to 17076)]
Date: 03-20-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) Tay 611-8 turbofan engines. This AD requires inspection and replacement, if necessary, of affected bolts. This AD was prompted by a quality review determination that bolts with reduced material properties may have been installed in some engines. We are issuing this AD to prevent uncontained turbine disc fracture and damage to the airplane.

View Details » 78 FR 17075

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Type: RULE
FR Reference: 78 FR 17076 [Volume: 78, Number: 54 (pages 17076 to 17078)]
Date: 03-20-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Eurocopter France Helicopters

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for Eurocopter France (Eurocopter) Model AS332C, L, and L1 helicopters to require a one-time inspection of the main rotor head (MRH) swash-plate upper bearing (bearing) for a non-smooth point (friction point). This AD was prompted by a report of the premature deterioration of the MRH bearing of the rotating star installed on a Model AS332L1 helicopter. The actions of this AD are intended to detect deterioration of the MRH bearing and to prevent overloading the scissor links which drive the main rotor system, failure of the scissors links, and subsequent loss of control of the helicopter.

View Details » 78 FR 17076

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Type: RULE
FR Reference: 78 FR 17079 [Volume: 78, Number: 54 (pages 17079 to 17080)]
Date: 03-20-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) models Tay 620-15 and Tay 650-15 turbofan engines. This AD was prompted by RRD recalculating the Declared Safe Cyclic Life (DSCL) for certain low-pressure compressor (LPC) rotor disc assemblies operating to the Plan D Flight Mission. This AD requires removing the affected LPC rotor disc assemblies at a new lower recalculated DSCL. We are issuing this AD to prevent failure of the LPC rotor disc assembly, uncontained engine failure, and damage to the airplane.

View Details » 78 FR 17079

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Type: RULE
FR Reference: 78 FR 17080 [Volume: 78, Number: 54 (pages 17080 to 17081)]
Date: 03-20-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) BR700-710 series turbofan engines. This AD requires replacement of the affected fuel pump splined couplings. This AD was prompted by service experience that demonstrated premature wear of the splined coupling on the fuel pump. We are issuing this AD to prevent failure of the engine and loss of the airplane.

View Details » 78 FR 17080

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Type: RULE
FR Reference: 78 FR 17082 [Volume: 78, Number: 54 (pages 17082 to 17083)]
Date: 03-20-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Turbojet Engines

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) Spey 511-8 turbojet engines. This AD requires inspection and, if necessary, replacement of affected bolts and, if any bolt is found broken, inspection of the adjacent disc(s) for damage. This AD was prompted by a recent quality review determination that bolts with reduced material properties may have been installed in some engines. We are issuing this AD to prevent uncontained turbine disc fracture and damage to the airplane.

View Details » 78 FR 17082

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Type: RULE
FR Reference: 78 FR 17285 [Volume: 78, Number: 55 (pages 17285 to 17290)]
Date: 03-21-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 767 airplanes. This AD was prompted by reports of stiff operation of the elevator pitch control system and jammed elevator controls. This AD requires replacing pressure seal assemblies; doing repetitive inspections for dirt, loose particles, or blockage of the flanged tube and drain hole for the pressure seals, and corrective action if necessary; replacing the aft air-intake duct assembly with a new or modified assembly and installing a dripshield; and installing gutters on the horizontal stabilizer center section and modifying the side brace fittings. We are issuing this AD to prevent moisture from collecting and freezing on the elevator control system components, which could limit the ability of the flightcrew to make elevator control inputs and result in reduced controllability of the airplane.

View Details » 78 FR 17285

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Type: RULE
FR Reference: 78 FR 17290 [Volume: 78, Number: 55 (pages 17290 to 17294)]
Date: 03-21-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 777-200, -200LR, -300, and -300ER series airplanes. This AD was prompted by fuel system reviews conducted by the manufacturer. This AD requires doing an inspection to identify the part number of the motor-operated valve (MOV) actuators of the main and center fuel tanks; replacing certain MOV actuators with new MOV actuators; and measuring the electrical resistance of the bond from the adapter plate to the airplane structure, and doing corrective actions if necessary. We are issuing this AD to prevent electrical current from flowing through an MOV actuator into a fuel tank, which could create a potential ignition source inside the fuel tank. This condition, in combination with flammable fuel vapors, could result in a fuel tank explosion and consequent loss of the airplane.

View Details » 78 FR 17290

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Type: RULE
FR Reference: 78 FR 17294 [Volume: 78, Number: 55 (pages 17294 to 17297)]
Date: 03-21-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 777-200, -200LR, -300, and -300ER series airplanes. This AD was prompted by reports of in-service events related to electrical power system malfunctions resulting in damage to electrical load management system (ELMS) P200 and P300 power panels and the surrounding area. This AD requires installing enclosure trays to contain debris in certain ELMS panels, and replacing certain ELMS contactors. We are issuing this AD to prevent contactor failures, which could result in uncontained hot debris flow due to ELMS contactor breakdown, consequent smoke and heat damage to airplane structure and equipment during ground operations, and possible injuries to passengers and crew.

View Details » 78 FR 17294

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Type: RULE
FR Reference: 78 FR 17297 [Volume: 78, Number: 55 (pages 17297 to 17299)]
Date: 03-21-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Rolls-Royce plc Turbofan Engines

CFR References: 14 CFR 39

Action: Final rule; request for comments.

Summary: We are superseding an existing airworthiness directive (AD) for all Rolls-Royce plc (RR) RB211 Trent 500 series turbofan engines. That AD currently requires a one-time inspection of the fuel tubes and fuel tube clips for evidence of damage, wear, and fuel leakage. This AD requires the same inspection, and adds additional repetitive inspections. This AD was prompted by additional RR engineering analysis. We are issuing this AD to prevent engine fuel leaks, which could result in engine damage and damage to the airplane.

View Details » 78 FR 17297

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Type: RULE
FR Reference: 78 FR 17591 [Volume: 78, Number: 56 (pages 17591 to 17593)]
Date: 03-22-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for Sikorsky Aircraft Corporation (Sikorsky) Model S-61A, D, E, L, N, NM, R, and V helicopters to require replacing each forward and aft fuel system 40 micron fuel filter element with a 10 micron nominal (40 micron absolute) fuel filter element. This AD was prompted by a National Transportation Safety Board (NTSB) review of in-service events where engine performance degradation occurred, and the review determined that some of these events were caused by contaminants larger than 10 microns present in the engine fuel control units (FCUs). The actions are intended to prevent particulate contamination in the FCU, which could lead to malfunction of an internal valve, power loss at a critical phase of flight, and loss of control of the helicopter.

View Details » 78 FR 17591

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Type: RULE
FR Reference: 78 FR 17593 [Volume: 78, Number: 56 (pages 17593 to 17594)]
Date: 03-22-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Bell Helicopter Textron, Inc.

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for Bell Helicopter Textron, Inc. (Bell), Model 412 and 412EP helicopters. This AD requires establishing a lower life limit on certain swashplate outer ring assemblies (outer ring), revising the retirement life on the components' history card or equivalent record, and revising the maintenance manual or Instructions for Continued Airworthiness (ICA). This AD also prohibits installing these outer rings on any helicopter. This AD was prompted by reports of cracking in the outer rings. The actions are intended to prevent failure of an outer ring because of cracking, which could lead to the loss of main rotor (M/R) blade pitch control and subsequent loss of helicopter control.

View Details » 78 FR 17593

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Type: RULE
FR Reference: 78 FR 17865 [Volume: 78, Number: 57 (pages 17865 to 17866)]
Date: 03-25-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; PILATUS AIRCRAFT LTD. Airplanes

CFR References: 14 CFR 39

Action: Final rule; rescission; request for comments

Summary: We are rescinding an airworthiness directive (AD) for all PILATUS AIRCRAFT LTD. Models PC-12, PC-12/45, and PC-12/47 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. We issued that AD to mandate new life limits for the pitch trim actuator and pitch trim actuator attachment parts. If these new limitations were not mandated, the pitch trim actuator and the pitch trim actuator components could fail. This failure could lead to an unsafe flying configuration. Since we issued that AD, we have determined that the unsafe condition addressed in that AD is now addressed in another AD.

View Details » 78 FR 17865

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Type: RULE
FR Reference: 78 FR 18224 [Volume: 78, Number: 58 (pages 18224 to 18226)]
Date: 03-26-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Robinson Helicopter Company Helicopters

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for Robinson Helicopter Company (Robinson) Model R44 and R44 II helicopters equipped with emergency floats. This AD requires replacing the inflation valve assembly. This AD was prompted by the failure of the emergency floats to deploy during a factory test because a needle was binding within the inflation valve assembly. The actions are intended to prevent the failure of the floats to inflate during an emergency landing.

View Details » 78 FR 18224

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Type: RULE
FR Reference: 78 FR 18226 [Volume: 78, Number: 58 (pages 18226 to 18227)]
Date: 03-26-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Hughes Helicopters, Inc., and McDonnell Douglas Helicopter Systems (Type Certificate Is Currently Held by MD Helicopters, Inc.) Helicopters

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for MD Helicopters, Inc. (MDHI) Model 369D, 369E, 369F, and 369FF helicopters with certain serial-numbered tailboom assemblies. This AD requires measuring the distance between aft longeron rivets and the outboard edge of frame rings. If the distance is too short to ensure a safe flight, the AD requires installing a doubler. This AD was prompted by the discovery of short-edge margin conditions on two tailboom assemblies. The actions are intended to detect a short-edge margin condition, prevent failure of the tailboom and loss of control of the helicopter.

View Details » 78 FR 18226

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Type: RULE
FR Reference: 78 FR 18228 [Volume: 78, Number: 58 (pages 18228 to 18230)]
Date: 03-26-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Agusta S.p.A. Helicopters

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all Agusta S.p.A. (Agusta) Model A109, A109A, A109A II, A109C, A109K2, A109E, A109S, and A119 helicopters. This AD was prompted by a mandatory continuing airworthiness information (MCAI) AD issued by the European Aviation Safety Agency (EASA), which is the Technical Agent for the Member States of the European Community. The MCAI AD states that a Model A109E helicopter experienced a failure of the tail rotor pitch control link assembly caused by a production defect. The actions of this AD are intended to prevent failure of a tail rotor pitch control link and subsequent loss of control of the helicopter.

View Details » 78 FR 18228

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Type: RULE
FR Reference: 78 FR 18230 [Volume: 78, Number: 58 (pages 18230 to 18232)]
Date: 03-26-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Eurocopter France Helicopters

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for Eurocopter France (Eurocopter) Model EC130 B4 helicopters with a cabin vibration damper installed. This AD requires installing a vibration damper casing assembly on both sides of the helicopter. This AD was prompted by a crack and failure of a cabin vibration damper blade. The actions of this AD are intended to modify the cabin vibration damper assembly to prevent contact with the flight controls in the event of a cabin vibration blade failure, jamming of a flight control, and subsequent loss of control of the helicopter.

View Details » 78 FR 18230

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Type: RULE
FR Reference: 78 FR 19085 [Volume: 78, Number: 61 (pages 19085 to 19088)]
Date: 03-29-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all Airbus Model A318, A319, A320, and A321 series airplanes. This AD was prompted by reports of oil residue between the stator and the rotor parts of the position resolvers of the angle of attack (AOA) vane, which was a result of incorrect removal of the machining oil during the manufacturing process of the AOA resolvers. This AD requires an inspection to determine if certain AOA probes are installed, and replacement of any affected AOA probe. We are issuing this AD to prevent erroneous AOA information and consequent delayed or non-activation of the AOA protection systems, which during flight at a high AOA, could result in reduced control of the airplane.

View Details » 78 FR 19085

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Type: RULE
FR Reference: 78 FR 19088 [Volume: 78, Number: 61 (pages 19088 to 19090)]
Date: 03-29-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; REIMS AVIATION S.A. Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for REIMS AVIATION S.A. Model F406 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as fretting (wear and/or chafing) found between the elevator pushrod assembly and the horizontal tail structure, which could cause the elevator pushrod to jam and could result in loss of control. We are issuing this AD to require actions to address the unsafe condition on these products.

View Details » 78 FR 19088

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Type: RULE
FR Reference: 78 FR 19090 [Volume: 78, Number: 61 (pages 19090 to 19093)]
Date: 03-29-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Embraer S.A. Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain Embraer S.A. Model ERJ 170 and ERJ 190 airplanes. This AD was prompted by a report that high rate discharge (HRD) bottle explosive cartridges of a cargo compartment fire extinguisher system were swapped between the forward and aft cargo compartments. Additional investigation also revealed the possibility of swapping between the electrical connectors of the HRD and low rate discharge (LRD) bottles, and a rotated installation of the HRD bottle. Improper assembly of the fire extinguishing bottle might cause the extinguishing agent to be discharged toward the unselected cargo compartment rather than toward the cargo compartment with fire. This AD requires an inspection of the HRD bottle for correct installation and to determine if the pressure switch is in the correct position, and re-installation if necessary; an inspection of the HRD and LRD bottle discharge heads to determine the part number, and replacement if necessary; and, for certain airplanes, an inspection to identify the HRD and LRD bottle electrical connectors, and relocation if necessary. We are issuing this AD to prevent the inability of the fire extinguishing system to suppress fire.

View Details » 78 FR 19090

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Type: RULE
FR Reference: 78 FR 19093 [Volume: 78, Number: 61 (pages 19093 to 19096)]
Date: 03-29-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 777 airplanes. This AD was prompted by reports that escape slides/rafts did not deploy due to galvanic corrosion of the door-mounted slide/raft packboard release mechanisms. This AD requires doing a general visual inspection of the housing assembly of the packboard release mechanism to determine if its surface treatment has been sealed, and if the surface of the housing assembly is unsealed, replacing the housing assembly with a new or serviceable housing assembly. We are issuing this AD to detect and correct corrosion of the packboard release mechanisms, which could interfere with escape slide/raft deployment, prohibit doors from opening in the armed mode, and cause consequent delay and injury during evacuation of passengers and crew from the cabin in the event of an emergency.

View Details » 78 FR 19093

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Type: RULE
FR Reference: 78 FR 19983 [Volume: 78, Number: 64 (pages 19983 to 19985)]
Date: 04-03-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; General Electric Company Turbofan Engines

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for General Electric Company (GE) CF34-8C and CF34-8E turbofan engines with certain part numbers (P/N) of operability bleed valves (OBV) installed. This AD was prompted by three failure events of ring lock fuel fittings on the OBV. Two of those events led to an engine fire. This AD requires the affected OBVs be removed from service and replaced with OBVs eligible for installation. We are issuing this AD to prevent failure of OBV ring lock fuel fittings, engine fuel leakage, uncontrolled fire, and damage to the airplane.

View Details » 78 FR 19983

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Type: RULE
FR Reference: 78 FR 20227 [Volume: 78, Number: 65 (pages 20227 to 20229)]
Date: 04-04-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Cessna Aircraft Company Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are revising an existing airworthiness directive (AD) for all Cessna Aircraft Company (Cessna) Models 190, 195 (L-126A,B,C), 195A, and 195B airplanes that are equipped with certain inboard aileron hinge brackets. That AD currently requires you to repetitively inspect the affected inboard aileron hinge brackets for cracks or corrosion and replace them if cracks or corrosion is found. Replacement with aluminum brackets would terminate the need for the repetitive inspections. This new AD retains the actions of AD 2004-21-08 while requiring future compliance following a revised service bulletin that clarifies the casting numbers and part numbers to be inspected. This AD was prompted by reports of confusion between the casting number on the aileron hinge bracket and the part number (P/N) called out in the AD. We are issuing this AD to correct the unsafe condition on these products.

View Details » 78 FR 20227

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Type: RULE
FR Reference: 78 FR 20229 [Volume: 78, Number: 65 (pages 20229 to 20234)]
Date: 04-04-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are superseding an existing airworthiness directive (AD) for all The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. That AD currently requires repetitive inspections of the aft attach lugs of the elevator tab control mechanisms, and replacement of any discrepant elevator tab control mechanism. This new AD requires replacing the left and right elevator tab control mechanisms with elevator tab control mechanisms that have the modified attach lugs, which would terminate the existing requirements. This AD was prompted by reports of failure of the aft attach lugs on the elevator tab control mechanisms, which resulted in severe elevator vibration; and reports of gaps in elevator tab control mechanisms and analysis indicating that additional elevator tab control mechanisms might have bearings that will come loose. We are issuing this AD to prevent discrepancies in the aft attach lugs of the elevator tab control mechanism, which could result in severe elevator and tab vibration. Consequent structural failure of the elevator or horizontal stabilizer could result in loss of structural integrity and aircraft control.

View Details » 78 FR 20229

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Type: RULE
FR Reference: 78 FR 20234 [Volume: 78, Number: 65 (pages 20234 to 20236)]
Date: 04-04-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Eurocopter France Helicopters

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for Eurocopter France (Eurocopter) Model SA-365N1, AS-365N2, and AS 365 N3helicopters. This AD requires revising the Limitations section of the Rotorcraft Flight Manual (RFM) to prohibit flight in instrument meteorological conditions (IMC) or night visual flight rules (VFR) for each helicopter with a vertical gyro unit GV76-1 installed upon a non-reinforced shelf in the rear cargo compartment. Also, this AD requires modifying the GV76-1 vertical gyro unit shelf and testing for correct function of the navigation systems. This AD was prompted by flight crew reports of deviations between the displayed attitude on the attitude display screen and the independent electromechanical standby attitude indicator. The actions of this AD are intended to prevent an undetected flight display error of a slow drift in the roll axis, disorientation of the pilot, and subsequent loss of control of the helicopter.

View Details » 78 FR 20234

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Type: RULE
FR Reference: 78 FR 21227 [Volume: 78, Number: 69 (pages 21227 to 21229)]
Date: 04-10-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all Airbus Model A330-200, A330-200 Freighter, A330-300, A340-200, and A340-300 series airplanes; and Model A340-541 airplanes and Model A340-642 airplanes. This AD was prompted by reports of cracks in the bogie pivot pin caused by material heating due to friction between the bogie pivot pin and bush, leading to chrome detachment and chrome dragging on the bogie pivot pin. This AD requires repetitive detailed inspections for degradation of the bogie pivot pins and for any cracks and damage of the pivot pin bushes of the main and central landing gear; a magnetic particle inspection of the affected bogie pivot pins for corrosion and base metal cracks; and repairing or replacing bogie pivot pins and pivot pin bushes, if necessary. We are issuing this AD to detect and correct cracks and damage to the main and central landing gear, which could result in the collapse of the landing gear and adversely affect the airplane's continued safe flight and landing.

View Details » 78 FR 21227

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Type: RULE
FR Reference: 78 FR 21230 [Volume: 78, Number: 69 (pages 21230 to 21233)]
Date: 04-10-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for all Airbus Model A318, A319, and A320 series airplanes. This AD was prompted by fuel system reviews conducted by the manufacturer, which revealed that certain fuel pumps under certain conditions can create an ignition source in the fuel tank. This AD requires modification of the center tank fuel pump control circuit by installation of ground fault interrupters (GFIs). This AD would also require either replacement of the GFI or deactivation of the associated fuel pump following failure of any post-modification operational test of the GFI. We are issuing this AD to prevent the potential of ignition sources inside fuel tanks, which, in combination with flammable fuel vapors, could result in fuel tank explosions and consequent loss of the airplane.

View Details » 78 FR 21230

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Type: RULE
FR Reference: 78 FR 21233 [Volume: 78, Number: 69 (pages 21233 to 21236)]
Date: 04-10-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Eurocopter France Helicopters

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are adopting a new airworthiness directive (AD) for Eurocopter France EC130B4 helicopters. This AD requires visually checking the center windscreen panel (center windscreen) for a crack and replacing the center windscreen if there is a crack, if the windscreen distorts during flight, or within 12 months. This AD was prompted by in-flight cracking and failure of a center windscreen. The actions of this AD are intended to detect a crack in the blending radii of the center windscreen to prevent failure of the windscreen, injury to the flight crew, and subsequent loss of control of the helicopter.

View Details » 78 FR 21233

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Type: RULE
FR Reference: 78 FR 21236 [Volume: 78, Number: 69 (pages 21236 to 21239)]
Date: 04-10-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Final rule.

Summary: We are superseding an existing airworthiness directive (AD) for certain The Boeing Company Model 757 airplanes equipped with Rolls-Royce RB211-535E engines. That AD currently requires repetitive inspections for signs of damage of the aft hinge fittings and attachment bolts of the thrust reversers, and related investigative and corrective actions if necessary. The existing AD also provides for an optional terminating modification for the repetitive inspections. For certain airplanes, this new AD adds a one-time inspection of the washers installed under the attachment bolts of the aft hinge fittings for correct installation sequence, and reinstallation if necessary. This new AD also adds an option for installing a redesigned aft hinge fitting with the trim already done, instead of trimming an existing or new hinge fitting, which is included in the existing optional terminating modification. This AD was prompted by reports of incorrectly installed washers under the attachment bolts of the aft hinge fittings of the thrust reversers. We are issuing this AD to prevent failure of the attachment bolts and consequent separation of a thrust reverser from the airplane during flight, which could result in structural damage to the airplane.

View Details » 78 FR 21236

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Type: PROPOSED RULE
FR Reference: 78 FR 7308 [Volume: 78, Number: 22 (pages 7308 to 7311)]
Date: 02-01-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Bell Helicopter Textron Canada Helicopters

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for Bell Helicopter Textron Canada (BHTC) Model 407 helicopters with certain tailboom assemblies installed. This proposed AD would require, at specified intervals, inspecting the tailboom assembly for a crack, loose rivet, or other damage. This proposed AD is prompted by a stress analysis of the tailboom skin that revealed high-stress-concentration areas are susceptible to skin cracking. This condition, if not detected, could result in a crack in the tailboom assembly, failure of the tailboom, and subsequent loss of control of the helicopter.

View Details » 78 FR 7308

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Type: PROPOSED RULE
FR Reference: 78 FR 7312 [Volume: 78, Number: 22 (pages 7312 to 7313)]
Date: 02-01-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration, DOT.)
Subject: Airworthiness Directives; Eurocopter Deutschland GmbH Helicopters

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for the Eurocopter Deutschland GmbH (Eurocopter) Model MBB-BK 117 C-2 helicopters. This proposed AD would require changing the direction of the bolt connecting the upper clevis bolt of a specific bellcrank in the main rotor assembly, repetitively inspecting the bearings in the bellcrank assemblies for correct staking, and replacing a bellcrank if a bearing is staked incorrectly. This proposed AD is prompted by improperly staked bellcrank bearings, which may cause the bellcrank to shift in the axial direction and cause chafing. The proposed actions are intended to prevent contact between the bolts on certain main rotor bellcranks, which could result in chafing and subsequent loss of control of the helicopter.

View Details » 78 FR 7312

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Type: PROPOSED RULE
FR Reference: 78 FR 8052 [Volume: 78, Number: 24 (pages 8052 to 8054)]
Date: 02-05-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; DASSAULT AVIATION Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain DASSAULT AVIATION Model MYSTERE-FALCON 900 and FALCON 900EX airplanes. This proposed AD was prompted by reports of chafing between the tail strobe power supply and a hydraulic line. This proposed AD would require modifying the tail strobe power supply wire routing. We are proposing this AD to prevent chafing between the tail strobe power supply and a hydraulic line, which could result in hydraulic fluid leakage and possible fire due to arcing, and consequent loss of control of the airplane due to structural failure of the tail.

View Details » 78 FR 8052

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Type: PROPOSED RULE
FR Reference: 78 FR 8054 [Volume: 78, Number: 24 (pages 8054 to 8058)]
Date: 02-05-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to supersede an existing airworthiness directive (AD) that applies to certain Airbus Model A310 series airplanes. The existing AD currently requires repetitive inspections for fatigue cracking of the area around the fasteners of the landing plate of the aileron access doors of the bottom skin panel of the wings, and related corrective action. The existing AD provides for an optional terminating action, which ends the repetitive inspections. Since we issued that AD, a reassessment of the previous fatigue threshold and inspection interval resulted in a determination that reduced inspection thresholds and intervals for accomplishment of the tasks are necessary. This proposed AD would reduce the initial inspection compliance time and intervals and provide additional terminating action options. We are proposing this AD to detect and correct fatigue cracking of the area around the fasteners of the landing plate of the aileron access doors and the bottom skin panel of the wings, which could result in reduced structural integrity of the wings.

View Details » 78 FR 8054

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Type: PROPOSED RULE
FR Reference: 78 FR 8058 [Volume: 78, Number: 24 (pages 8058 to 8060)]
Date: 02-05-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Fokker Services B.V. Airplanes

CFR References: 14 CFR 39

Action: Supplemental notice of proposed rulemaking (NPRM); reopening of comment period.

Summary: We are revising an earlier proposed airworthiness directive (AD) for all Fokker Services B.V. Model F.27 Mark 050 airplanes, and Model F.28 Mark 0070 and 0100 airplanes. That NPRM proposed to require inspecting and, if necessary, adjusting, the torque values of nuts on circuit breakers, contactors, and terminal blocks of the electrical power center (EPC) and battery relay panel. This proposed AD would also require inspecting to determine if certain parts are installed, and installing the parts if necessary. This action revises that NPRM by adding a previously omitted terminal block to the required actions. We are proposing this AD to detect and correct loose nuts, which could result in arcing and potentially an onboard fire, possibly resulting in damage to the airplane and injury to occupants or maintenance personnel. Since these actions impose an additional burden over that proposed in the NPRM, we are reopening the comment period to allow the public the chance to comment on these proposed changes.

View Details » 78 FR 8058

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Type: PROPOSED RULE
FR Reference: 78 FR 8446 [Volume: 78, Number: 25 (page 8446)]
Date: 02-06-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; GROB-WERKE Airplanes

CFR References: 14 CFR 39

Action: Proposed rule; correction.

Summary: The FAA is correcting a Notice of Proposed Rulemaking (NPRM) that published in the Federal Register . That NPRM applies to all GROB-WERKE Model G115EG airplanes. The docket number in the preamble and in the section titled PART 39—AIRWORTHINESS DIRECTIVES, paragraph 2, is incorrect. This document corrects that error. In all other respects, the original document remains the same.

View Details » 78 FR 8446

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Type: PROPOSED RULE
FR Reference: 78 FR 8999 [Volume: 78, Number: 26 (pages 8999 to 9001)]
Date: 02-07-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 747-400 series airplanes. This proposed AD was prompted by reports of auxiliary power unit (APU) faults due to power feeder cable chafing. This proposed AD would require detailed inspections for damage of the APU power feeder cables; replacing the clamps and installing grommets; and related investigative and corrective actions if necessary. We are proposing this AD to detect and correct chafing of the APU power feeder cables within a flammable fluid leakage zone, which, with arcing, could result in fire and structural damage.

View Details » 78 FR 8999

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Type: PROPOSED RULE
FR Reference: 78 FR 9001 [Volume: 78, Number: 26 (pages 9001 to 9003)]
Date: 02-07-2013
Agency: DEPARTMENT OF TRANSPORTATION
Subject: Airworthiness Directives; Hamilton Sundstrand Corporation Propellers

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM), DOT.

Summary: We propose to adopt a new airworthiness directive (AD) for Hamilton Sundstrand Corporation 14SF-7, 14SF-15, and 14SF-23 series propellers using certain Hamilton Sundstrand Corporation auxiliary pumps and motors (auxiliary feathering pumps). This proposed AD was prompted by a report of a propeller not moving into the feathering position after an engine in-flight shutdown. This proposed AD would require removing certain serial numbers (S/Ns) of auxiliary feathering pumps from service. We are proposing this AD to prevent propellers from failing to move into the feathering position after an engine in-flight shutdown. Propellers failing to feather can cause high drag on the propeller, asymmetric thrust, and difficulty of, or impossibility in, controlling the airplane.

View Details » 78 FR 9001

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Type: PROPOSED RULE
FR Reference: 78 FR 9003 [Volume: 78, Number: 26 (pages 9003 to 9005)]
Date: 02-07-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Engine Alliance Turbofan Engines

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain Engine Alliance GP7270 and GP7277 turbofan engines. This proposed AD was prompted by damage to the high-pressure compressor (HPC) stage 7-9 spool caused by failure of the baffle plate feature on affected HPC stage 6 disks. This proposed AD would require initial and repetitive borescope inspections of the baffle plate feature and removal from service of the HPC stage 6 disk before further flight, if the plate is missing material. This proposed AD would also require mandatory removal from service of these HPC stage 6 disks at the next HPC module exposure. We are proposing this AD to prevent uncontained failure of the HPC stage 7-9 spool, uncontained engine failure, and damage to the airplane.

View Details » 78 FR 9003

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Type: PROPOSED RULE
FR Reference: 78 FR 9005 [Volume: 78, Number: 26 (pages 9005 to 9007)]
Date: 02-07-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Dowty Propellers Propellers

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to revise an existing airworthiness directive (AD) that applies to all Dowty Propellers R408/6-123-F/17 model propellers. The existing AD currently requires initial applications of sealant between the bus bar assembly and the backplate assembly of certain line-replaceable units (LRUs), and repetitive applications of sealant on all R408/6-123-F/17 model propellers. Since we issued that AD, Dowty Propellers has introduced an optional terminating action to the applications of sealant. This proposed AD would add the optional terminating action. We are proposing this AD to prevent an in-flight double generator failure, which could result in reduced controllability of the airplane.

View Details » 78 FR 9005

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Type: PROPOSED RULE
FR Reference: 78 FR 9007 [Volume: 78, Number: 26 (pages 9007 to 9009)]
Date: 02-07-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Turbomeca S.A. Turboshaft Engines

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to supersede an existing airworthiness directive (AD) that applies to all Turbomeca S.A. Arrius Models 2B, 2B1, and 2F turboshaft engines. The existing AD currently requires replacement of injector manifolds and borescope-inspection of the flame tube and the high-pressure (HP) turbine area for possible damage. Since we issued that AD, we received a report that the corrective actions of the existing AD were insufficient to eliminate the unsafe condition. This proposed AD would require, depending on the engine model, repetitive replacements of fuel injection manifolds and the privilege injector, or, repetitive replacements of the privilege injector. We are proposing this AD to prevent an uncommanded in-flight shutdown of Arrius 2B1 and 2F turboshaft engines and damage to the helicopter.

View Details » 78 FR 9007

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Type: PROPOSED RULE
FR Reference: 78 FR 9341 [Volume: 78, Number: 27 (pages 9341 to 9346)]
Date: 02-08-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to supersede an existing airworthiness directive (AD) that applies to all Airbus Model A318, A319, A320, and A321 series airplanes. The existing AD currently requires repetitive inspections of the upper support of the nose landing gear (NLG), and related investigative and corrective actions if necessary; and also provides an optional terminating action for the repetitive inspections. Since we issued that AD, we have determined that previously allowed terminating actions no longer address the unsafe condition and that a new terminating action is necessary. This proposed AD would require installing a new enhanced manufacturing and maintainability (EMM) braking and steering control unit (BSCU) standard and adds airplanes tothe applicability. We are proposing this AD to prevent landings with the NLG turned 90 degrees from centerline, which could result in reduced controllability of the airplane.

View Details » 78 FR 9341

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Type: PROPOSED RULE
FR Reference: 78 FR 9346 [Volume: 78, Number: 27 (pages 9346 to 9349)]
Date: 02-08-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certainThe Boeing Company Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-300, 747-400, 747-400D, and 747SP series airplanes. This proposed AD was prompted by reports of worn or incorrectly assembled latches on main deck escape slides installed on airplane doors. This proposed AD would require determining if the latches are correctly assembled; and corrective actions if necessary. This proposed AD also would require, for certain airplanes, modifications to the escape slide/rafts and escape slides. We are proposing this AD to prevent a latch hook moving from closed to open in an escape slide/raft or escape slide, which could result in the escape slide/raft or escape slide not deploying correctly in an emergency, or releasing/inflating into the passenger cabin and causing injury to passengers and crew.

View Details » 78 FR 9346

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Type: PROPOSED RULE
FR Reference: 78 FR 9634 [Volume: 78, Number: 28 (pages 9634 to 9636)]
Date: 02-11-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Eurocopter France Helicopters

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for Eurocopter France (Eurocopter) Model AS350 and AS355 helicopters, to require inspecting for a crack in the control lever attachment yokes, and if needed, replacing the tail rotor gearbox (TGB). This proposed AD is prompted by improper casting of TGB casing assemblies, which may lead to cracking. A crack in the control lever attachment yokes could cause a loss of tail rotor pitch control, and consequently, loss of control of the helicopter.

View Details » 78 FR 9634

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Type: PROPOSED RULE
FR Reference: 78 FR 9636 [Volume: 78, Number: 28 (pages 9636 to 9640)]
Date: 02-11-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Cessna Aircraft Company Airplanes

CFR References: 14 CFR 39

Action: Supplemental notice of proposed rulemaking (NPRM); reopening of comment period.

Summary: We are revising an earlier proposed airworthiness directive (AD) for certain Cessna Aircraft Company Model 500, 501, 550, 551, S550, 560, 560XL, and 650 airplanes. That NPRM proposed to require an inspection to determine if certain air conditioning (A/C) compressor motors are installed and to determine the accumulated hours on certain A/C drive motor assemblies; repetitive replacement of the brushes in the drive motor assembly, or as an option to the brush replacement, deactivation of the A/C system and placard installation; and return of replaced brushes to Cessna. That NPRM was prompted by multiple reports of smoke and/or fire in the tailcone caused by sparking due to excessive wear of the brushes in the A/C motor. This action revises that NPRM by revising the optional A/C system deactivation procedure. We are proposing this supplemental NPRM to prevent the brushes in the A/C motor from wearing down beyond their limits, which could result in the rivet in the brush contacting the commutator causing sparks and consequent fire and/or smoke in the tailcone with no means to detect or extinguish the fire and/or smoke. Since these actions impose an additional burden over that proposed in the NPRM, we are reopening the comment period to allow the public the chance to comment on these proposed changes.

View Details » 78 FR 9636

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Type: PROPOSED RULE
FR Reference: 78 FR 12255 [Volume: 78, Number: 36 (pages 12255 to 12256)]
Date: 02-22-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Rolls-Royce (1971) Limited, Bristol Engine Division Turbojet Engines

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for all Rolls-Royce (1971) Limited, Bristol Engine Division (RR) Viper Mk. 601-22 turbojet engines. This proposed AD was prompted by a review carried out by RR of the lives of certain critical parts. This proposed AD would require reducing the life of these parts. We are proposing this AD to prevent life-limited part failure, damage to the engine, and damage to the airplane.

View Details » 78 FR 12255

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Type: PROPOSED RULE
FR Reference: 78 FR 12256 [Volume: 78, Number: 36 (pages 12256 to 12259)]
Date: 02-22-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Embraer S.A. Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain Embraer S.A. Model ERJ 170 and ERJ 190 airplanes. This proposed AD was prompted by reports of chafing between the auxiliary power unit (APU) electronic starter controller (ESC) power cables and the airplane tail cone firewall. This proposed AD would require a detailed inspection for damage to the insulation and inner conductors of the APU ESC power cables, installingnew grommet support in the tail cone firewall, and corrective actions if necessary. We are proposing this AD to detect and correct damage to the APU ESC power cable harness, which if not corrected, could result in reduced structural integrity of the fuselage and empennage in the event of fire penetration through the firewall.

View Details » 78 FR 12256

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Type: PROPOSED RULE
FR Reference: 78 FR 12646 [Volume: 78, Number: 37 (pages 12646 to 12648)]
Date: 02-25-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Agusta S.p.A. and Bell Helicopter Textron Helicopters

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for Agusta S.p.A. (Agusta) Model AB412 and AB412 EP, and Bell Helicopter Textron (Bell) Model 412, 412CF, and 412EP helicopters with certain DART Aerospace Ltd. (Dart) high gear aft crosstubes (crosstube) installed. This proposed AD would require adding a life limit of 10,000 landings to the crosstube and removing from service any crosstubes with more than 10,000 accumulated landings. This proposed AD is prompted by five separate reports of crosstube failures. The actions in this proposed AD are intended to prevent failure of the crosstube and subsequent collapse of the landing gear.

View Details » 78 FR 12646

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Type: PROPOSED RULE
FR Reference: 78 FR 12648 [Volume: 78, Number: 37 (pages 12648 to 12651)]
Date: 02-25-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Robinson Helicopter Company

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to supersede an existing airworthiness directive (AD) for Robinson Helicopter Company (Robinson) Model R22, R22 Alpha, R22 Beta, R22 Mariner, R44, and R44 II helicopters with certain main rotor blades (blade) installed. The existing AD currently requires inspecting each blade at the skin-to-spar line for debonding, corrosion, a separation, a gap, or a dent and replacing any damaged blade with an airworthy blade. Since we issued that AD, a terminating action for the inspection requirements of that AD has been developed. The proposed actions are intended to detect debonding of the blade skin, which could result in blade failure and subsequent loss of control of the helicopter, and to correct the unsafe condition by replacing the main rotor blades with new blades that do not require the AD inspection.

View Details » 78 FR 12648

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Type: PROPOSED RULE
FR Reference: 78 FR 12651 [Volume: 78, Number: 37 (pages 12651 to 12655)]
Date: 02-25-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Agusta S.p.A. Helicopters

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to supersede an existing airworthiness directive (AD) for Agusta S.p.A. (Agusta) Model A109E helicopters that requires reducing the tail rotor (T/R) blade life limit, modifying a T/R hub and grip assembly, re-identifying two T/R assemblies, clarifying the never-exceed speed (Vne) limitation and reducing the inspection interval. Since we issued that AD, the manufacturer has redesigned a T/R grip bushing (bushing) that reduces the loads, which caused the T/R cracking, on the T/R blades. This action would require installing the new bushing and re-identifying the T/R hub-and-grip and hub-and-blade assemblies and require a recurring inspection of each bushing. The proposed actions are intended to prevent fatigue failure of a T/R blade and subsequent loss of control of the helicopter.

View Details » 78 FR 12651

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Type: PROPOSED RULE
FR Reference: 78 FR 12988 [Volume: 78, Number: 38 (pages 12988 to 12991)]
Date: 02-26-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for all Airbus Model A318, A319, A320, and A321 series airplanes. This proposed AD was prompted by reports that certain trimmable horizontal stabilizer actuators (THSA) were found with corrosion that affected the ballscrew lower splines between the tie-bar and screw-jack. This proposed AD would require repetitive inspections of the THSA; ballscrew integrity tests, if necessary; and replacement of affected THSAs. We are proposing this AD to detect and correct corrosion in the ballscrew lower splines, which, if the ballscrew ruptured, could lead to transmission of THSA torque loads from the ballscrew to the tie-bar, prompting THSA blowback, and possible loss of control of the airplane.

View Details » 78 FR 12988

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Type: PROPOSED RULE
FR Reference: 78 FR 12991 [Volume: 78, Number: 38 (pages 12991 to 12995)]
Date: 02-26-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to supersede two existing airworthiness directives (AD) that apply to all The Boeing Company Model 767 airplanes. One AD currently requires a functional check of the shear rivets in all six elevator power control actuator (PCA) bellcrank assemblies to determine the condition of the shear rivets, and replacement or rework of the bellcrank assemblies if necessary. The other AD currently requires repetitive testing of the elevator control system to determine if an elevator PCA is rigged incorrectly, and follow-on actions if necessary. Since we issued those ADs, a terminating modification has been designed. This proposed AD would require an inspection to determine the part numbers and condition of the bellcrank assemblies; modification or replacement of the PCA bellcrank assembly, if necessary; and a repetitive functional test and mis-rig check, and corrective actions if necessary. We are proposing this AD to prevent continued operation with yielded or failed shear rivets in the elevator PCA bellcrank assemblies, and to prevent certain failures or jams in the elevator system from causing a hardover of the elevator surface, resulting in a significant pitch upset and possible loss of control of the airplane.

View Details » 78 FR 12991

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Type: PROPOSED RULE
FR Reference: 78 FR 12995 [Volume: 78, Number: 38 (pages 12995 to 12998)]
Date: 02-26-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Gulfstream Aerospace LP (Type Certificate Previously Held by Israel Aircraft Industries, Ltd.) Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to supersede an existing airworthiness directive (AD) that applies to all Gulfstream AerospaceLP (Type Certificate Previously Held by Israel Aircraft Industries, Ltd.) Model Gulfstream 100 airplanes, and Model Astra SPX and 1125 Westwind Astra airplanes. The existing AD currently requires amending the airplane flight manuals (AFMs) to include additional procedures for verifying complete closure and locking of the main entry door (MED). The existing AD also currently requires modifying the warning and caution lights panel (WACLP), changing the WACLP and MED wiring, changing the wiring harness connecting the MED to the WACLP, and revising the log of modification of the AFM if necessary. Since we issued that AD, we have determined that the compliance time must be revised to ensure the unsafe condition is addressed on low utilization airplanes. We have also removed one airplane from the applicability. We are proposing this AD to prevent incomplete closure of the MED, which may result in the door opening in flight and possible separation of the door, causing damage to the airplane structure and left engine by flying debris and objects.

View Details » 78 FR 12995

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Type: PROPOSED RULE
FR Reference: 78 FR 14029 [Volume: 78, Number: 42 (pages 14029 to 14031)]
Date: 03-04-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Notice of Proposed Rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain Airbus Model A318-112, A319-111, A319-112, A319-115, A319-132, and A319-133 airplanes. This proposed AD was prompted by a report that a fastener, which connects the cargo door keel beam foot to the circumferential butt-strap and the section 13-14 lower shell panel, was not installed on airplanes during production. This proposed AD would require inspecting forward fuselage frame 24, stringer 39, right hand, to determine if the fastener is missing; measuring the hole dimensions of the five holes surrounding the missing fastener if necessary; and related investigative and corrective actions if necessary. We are proposing this AD to detect and correct the missing fastener, which could result in reduced structural integrity of the airplane.

View Details » 78 FR 14029

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Type: PROPOSED RULE
FR Reference: 78 FR 14467 [Volume: 78, Number: 44 (pages 14467 to 14469)]
Date: 03-06-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Slingsby Sailplanes Ltd. Sailplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for all Slingsby Sailplanes Ltd. Models Dart T.51, Dart T.51/17, and Dart T.51/17R sailplanes equipped with aluminum alloy spar booms that would supersede an existing AD. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as an incident of glue joint failure on a starboard wing caused by water entering the area of the airbrake box that resulted in delamination and corrosion in the area of the aluminum alloy spar booms and the wing attach fittings. We are issuing this proposed AD to require actions to address the unsafe condition on these products.

View Details » 78 FR 14467

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Type: PROPOSED RULE
FR Reference: 78 FR 14469 [Volume: 78, Number: 44 (pages 14469 to 14473)]
Date: 03-06-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to supersede an existing airworthiness directive (AD) that applies to certain The Boeing Company Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, and 747SR series airplanes. The existing AD currently requires repetitive inspections to find cracking of the web, strap, inner chords, inner chord angle of the forward edge frame of the number 5 main entry door cutouts, the frame segment between stringers 16 and 31, and repair if necessary; and repetitive inspections for cracking of repairs. Since we issued that AD, we have received multiple reports of cracking outside of the previous fuselage inspection areas and a report of a crack that initiated at the aft edge of the inner chord rather than initiating at a fastener location, which was the previous cracking location. This proposed AD would expand the previous fuselage areas that are inspected for cracking. We are proposing this AD to detect and correct such cracks, which could cause damage to the adjacent body structure and could result in depressurization of the airplane in flight.

View Details » 78 FR 14469

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Type: PROPOSED RULE
FR Reference: 78 FR 14719 [Volume: 78, Number: 45 (pages 14719 to 14722)]
Date: 03-07-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for all The Boeing Company Model 747SP series airplanes, and certain The Boeing Company Model 747-100B SUD and 747-300 series airplanes. This proposed AD was prompted by an evaluation by the design approval holder (DAH) indicating that the fuselage skin just above certain lap splice locations is subject to widespread fatigue damage (WFD). This proposed AD would require repetitive inspections for cracking of the fuselage skin above certain lap splice locations, and repair if necessary. We are proposing this AD to detect and correct fatigue cracking of the fuselage skin, which could result in reduced structural integrity of the airplane and sudden loss of cabin pressure.

View Details » 78 FR 14719

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Type: PROPOSED RULE
FR Reference: 78 FR 14722 [Volume: 78, Number: 45 (pages 14722 to 14726)]
Date: 03-07-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Supplemental notice of proposed rulemaking (NPRM); reopening of comment period.

Summary: We are revising an earlier proposed airworthiness directive (AD) for all The Boeing Company Model 777 airplanes. That NPRM proposed to require performing repetitive operational tests of the engine fuel suction feed of the fuel system, and other related testing if necessary. That NPRM was prompted by reports of two in-service occurrences on Model 737-400 airplanes of total loss of boost pump pressure of the fuel feed system, followed by loss of fuel system suction feed capability on one engine, and in-flight shutdown of the engine. This action revises that NPRM by proposing to revise the maintenance program to incorporate a revision to the Airworthiness Limitations Section of the maintenance planning data (MPD) document. We are proposing this supplemental NPRM to detect and correct failure of the engine fuel suction feed of the fuel system, which, in the event of total loss of the fuel boost pumps, could result in dual engine flameout, inability to restart the engines, and consequent forced landing of the airplane. Since these actions impose an additional burden over that proposed in the previous NPRM, we are reopening the comment period to allow the public the chance to comment on these proposed changes.

View Details » 78 FR 14722

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Type: PROPOSED RULE
FR Reference: 78 FR 14726 [Volume: 78, Number: 45 (pages 14726 to 14729)]
Date: 03-07-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Cessna Aircraft Company Airplanes

CFR References: 14 CFR 39

Action: Supplemental notice of proposed rulemaking (NPRM); reopening of comment period.

Summary: We are revising an earlier proposed airworthiness directive (AD) for certain Cessna Aircraft Company (Cessna) Models 172R, 172S, 182S, 182T, T182T, 206H, and T206H airplanes. That NPRM proposed to supersede an existing AD that currently requires an inspection of the engine oil pressure switch and, if applicable, replacement with an improved engine oil pressure switch. Since we issued the existing AD, we have received new reports of internal failure of the improved engine oil pressure switch, which could result in complete loss of engine oil with consequent partial or complete loss of engine power or fire. The NPRM proposed to increase the applicability of the AD and place a life-limit of 3,000 hours time-in-service (TIS) on the engine oil pressure switch, requiring replacement when the engine oil pressure switch reaches its life limit.This action revises that NPRM by changing the applicable serial numbers ranges. Since these actions impose an additional burden over that proposed in the NPRM, we are reopening the comment period to allow the public the chance to comment on these proposed changes. We are proposing this supplemental NPRM to correct the unsafe condition on these products.

View Details » 78 FR 14726

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Type: PROPOSED RULE
FR Reference: 78 FR 14729 [Volume: 78, Number: 45 (pages 14729 to 14731)]
Date: 03-07-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for Pilatus Aircraft Ltd. Models PC-6, PC-6-H1, PC-6-H2, PC-6/350, PC-6/350-H1, PC-6/350-H2, PC-6/A, PC-6-A-H1, PC-6/A-H2, PC-6/B-H2, PC-6/B1-H2, PC- 6/B2-H2, PC-6/B2-H4, PC-6/C-H2, and PC-6/C1-H2 airplanes that would supersede an existing AD. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as failure to inspect and maintain stabilizer-trim attachment components and the flap actuator could result in loss of control. We are issuing this proposed AD to require actions to address the unsafe condition on these products.

View Details » 78 FR 14729

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Type: PROPOSED RULE
FR Reference: 78 FR 14731 [Volume: 78, Number: 45 (pages 14731 to 14734)]
Date: 03-07-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 747-400 and 747-400F series airplanes. This proposed AD was prompted by reports of cracking in the outboard flange of the longeron extension fittings, which attach to the wing-to-body fairing support frame. This proposed AD would require repetitive inspections of the longeron extension fittings for cracking, and corrective actions if necessary. We are proposing this AD to detect and correct cracks in the longeron extension fittings, which can become large and adversely affect the structural integrity of the airplane.

View Details » 78 FR 14731

112

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Type: PROPOSED RULE
FR Reference: 78 FR 14734 [Volume: 78, Number: 45 (pages 14734 to 14737)]
Date: 03-07-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Supplemental notice of proposed rulemaking (NPRM); reopening of comment period.

Summary: We are revising an earlier proposed airworthiness directive (AD) for certain The Boeing Company Model 737-600, -700, -700C, -800, -900 and -900ER series airplanes. That NPRM proposed to require inspecting for a serial number that starts with the letters “SAIC” on the left- and right-side horizontal stabilizer identification plate; a detailed inspection for correct bolt protrusion and chamfer of the termination fitting bolts of the horizontal stabilizer rear spar, if necessary; inspecting to determine if certain bolts are installed, if necessary; and doing related investigative and corrective actions if necessary. That NPRM was prompted by reports of incorrectly installed bolts common to the rear spar termination fitting on the horizontal stabilizer. This action revises that NPRM by adding airplanes to the applicability. We are proposing this supplemental NPRM to prevent loss of structural integrity of the horizontal stabilizer attachment and loss of control of the airplane. Since these actions impose an additional burden over that proposed in the NPRM, we are reopening the comment period to allow the public the chance to comment on these proposed changes.

View Details » 78 FR 14734

113

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Type: PROPOSED RULE
FR Reference: 78 FR 14934 [Volume: 78, Number: 46 (pages 14934 to 14939)]
Date: 03-08-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Supplemental notice of proposed rulemaking (SNPRM); reopening of comment period.

Summary: We are revising an earlier proposed airworthiness directive (AD) to supersede an existing AD for certain The Boeing Company Model 767 airplanes. The existing AD currently requires repetitive inspections to detect discrepancies of the wiring and surrounding Teflon sleeves of the fuel tank boost pumps and override/jettison pumps; replacement of the sleeves with new sleeves, for certain airplanes; and repair or replacement of the wiring and sleeves with new parts, as necessary. The first SNPRM proposed to reduce the initial compliance time and repetitive inspection interval in the existing AD. The first SNPRM also proposed to mandate a terminating action for the repetitive inspections, to eliminate wire damage. In addition, the first SNPRM proposed to remove certain airplanes from the applicability of the existing AD. The first SNPRM was prompted by fleet information indicating that the repetitive inspection interval in the existing AD is too long, because excessive chafing of the sleeving continues to occur much earlier than expected between scheduled inspections. This action revises the first SNPRM by also proposing to require revising the maintenance program to incorporate changes to the airworthiness limitations section. We are proposing this second SNPRM to detect and correct chafing of the fuel pump wire insulation and consequent exposure of the electrical conductor, which could result in electrical arcing between the wires and conduit and consequent fire or explosion of the fuel tank. Since these actions impose an additional burden over that proposed in the first SNPRM, we are reopening the comment period to allow the public the chance to comment on these proposed changes.

View Details » 78 FR 14934

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Type: PROPOSED RULE
FR Reference: 78 FR 15332 [Volume: 78, Number: 47 (pages 15332 to 15335)]
Date: 03-11-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to supersede an existing airworthiness directive (AD) that applies to all The Boeing Company Model 737-300, -400, and -500 series airplanes. The existing AD currently requires repetitive inspections of the downstop assemblies on the main tracks of the No. 2, 3, 4, and No. 5 slats and the inboard track of the No. 1 and 6 slats to verify if any parts are missing, damaged, or in the wrong order; other specified actions; and related investigative and corrective actions if necessary. Since we issued that AD, the manufacturer has developed a modification, which, when installed, would terminate the repetitive inspections. This proposed AD would add an inspection of the slat can interior for foreign object debris (FOD), and removal of any FOD found; modification of the slat track hardware; an inspection for FOD and for damage to the interior surface of the slat cans; and related investigative and corrective actions, if necessary. We are proposing this AD to prevent loose or missing parts in the main slat track downstop assemblies, which could puncture the slat track housing and result in a fuel leak and consequent fire.

View Details » 78 FR 15332

115

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Type: PROPOSED RULE
FR Reference: 78 FR 15335 [Volume: 78, Number: 47 (pages 15335 to 15337)]
Date: 03-11-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for all Airbus Model A318, A319, A320, and A321 series airplanes. This proposed AD was prompted by a determination that certain maintenance activities, such as repairs or the accumulation of paint layers, might cause the weight of an elevator to exceed the certified limits. This proposed AD would require checking the weight of certain elevators, and corrective action if necessary; and re-identifying the elevators. We are proposing this AD to detect and correct elevators that exceed the certified weight limits, which could result in reduced control of the airplane.

View Details » 78 FR 15335

116

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Type: PROPOSED RULE
FR Reference: 78 FR 15655 [Volume: 78, Number: 48 (pages 15655 to 15658)]
Date: 03-12-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Bombardier, Inc. Airplanes

CFR References: 14 CFR 39

Action: Supplemental notice of proposed rulemaking (NPRM); reopening of comment period.

Summary: We are revising an earlier proposed airworthiness directive (AD) for certain Bombardier, Inc. Model DHC-8-400, -401, and -402 airplanes. That NPRM proposed to require an inspection to determine if certain rudder feel trim units (RFTUs) are installed, an operational check for signs of seizure of affected parts, repetitive lubrication for certain RFTUs, and replacement of the RFTU if necessary. Installing replaced RFTUs with conformal bushings would terminate the repetitive lubrication requirements. That NPRM was prompted by reports of movement of the rudder pedals being impeded due to corrosion of the trunnion shaft of the RFTU. This action revises that NPRM by reducing compliance times, increasing compliance costs, expanding affected parts to include additional serial numbers and include those parts with a suffix `A,' and adding the condition of rough movement to the operational check. We are proposing this AD to detect and correct any sign of rough movement or seizure of the trunnion shaft and its bushing, which could cause a rudder control jam or a large and rapid alternating rudder input leading to a structural failure of the vertical fin. Since these actions impose an additional burden over that proposed in the NPRM, we are reopening the comment period to allow the public the chance to comment on these proposed changes.

View Details » 78 FR 15655

117

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Type: PROPOSED RULE
FR Reference: 78 FR 15658 [Volume: 78, Number: 48 (pages 15658 to 15660)]
Date: 03-12-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for all The Boeing Company Model 727 airplanes. This proposed AD was prompted by reports of spanwise cracks and corrosion in the wing center box upper skin and rear spar upper chord between left buttock line (LBL) 70.50 and right buttock line (RBL) 70.50 at body station (STA) 870. This proposed AD would require repetitive inspections of the wing center box for cracking around certain fastener rows on the rear spar upper chord horizontal flange; for certain airplanes, repetitive inspections for cracking of the rear spar upper chord radius; for certain other airplanes, repetitive inspections for damage, cracking, and corrosion of the pressure seal; and repair if necessary. We are proposing this AD to detect and correct cracking and corrosion of the upper skin and rear spar upper chord of the wing center box, which could result in loss of the airplane wing and consequent loss of control of the airplane.

View Details » 78 FR 15658

118

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Type: PROPOSED RULE
FR Reference: 78 FR 16196 [Volume: 78, Number: 50 (pages 16196 to 16198)]
Date: 03-14-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Eurocopter Deutschland GmbH Helicopters

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for all Eurocopter Deutschland GmbH (ECD) EC 135 P1, P2, P2+, T1, T2, and T2+ helicopters equipped with a certain main transmission housing upper part. This proposed AD would require installing a corrugated washer in the middle of the main transmission filter housing upper part and modifying the main transmission housing upper part. This proposed AD is prompted by an inspection of housing upper parts that revealed the bypass inlet in the oil filter area was not manufactured in accordance with applicable design specifications. The proposed actions are intended to prevent failure of the main transmission and subsequent loss of control of the helicopter.

View Details » 78 FR 16196

119

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Type: PROPOSED RULE
FR Reference: 78 FR 16198 [Volume: 78, Number: 50 (pages 16198 to 16200)]
Date: 03-14-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to supersede an existing airworthiness directive (AD) that applies to certain The Boeing Company Model MD-11 and MD-11F airplanes. The existing AD currently requires inspecting to determine if wires touch the upper surface of the center upper auxiliary fuel tank, and marking the location, as necessary; inspecting all wire bundles above the center upper auxiliary fuel tank for splices and damage; inspecting for damage to the fuel vapor barrier seal and upper surface of the center upper auxiliary fuel tank; and performing corrective actions, as necessary. The existing AD also requires installing nonmetallic barrier/shield sleeving, new clamps, new attaching hardware, and a new extruded channel. The existing AD resulted from fuel system reviews conducted by the manufacturer. Since we issued that AD, we have identified additional center upper auxiliary fuel tank locations where inspections and corrective actions are needed. We are proposing this AD to reduce the potential of ignition sources inside fuel tanks, which, in combination with flammable fuel vapors, could result in fuel tank explosions and consequent loss of the airplane.

View Details » 78 FR 16198

120

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Type: PROPOSED RULE
FR Reference: 78 FR 16200 [Volume: 78, Number: 50 (pages 16200 to 16202)]
Date: 03-14-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Eurocopter France Helicopters

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain Eurocopter France (Eurocopter) Model AS350 and AS355 helicopters. This proposed AD would require inspectingthe tail rotor control stop screws to determine if they are correctly aligned and adjusting the screws if they are misaligned. This proposed AD is prompted by the discovery of a loose nut on the tail rotor control stop and a misaligned tail rotor control stop screw. The proposed actions are intended detect a loose nut or a misaligned stop screw, which, if not corrected, could limit yaw authority, and consequently, result in a loss of helicopter control.

View Details » 78 FR 16200

121

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Type: PROPOSED RULE
FR Reference: 78 FR 16620 [Volume: 78, Number: 52 (pages 16620 to 16622)]
Date: 03-18-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Pratt & Whitney Division Turbofan Engines

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for all Pratt & Whitney Division (PW) turbofan engine models PW4074, PW4074D, PW4077, PW4077D, PW4084D, PW4090, and PW4090-3 with a certain 2nd-stage high-pressure turbine (HPT) air seal part number (P/N) installed. This proposed AD was prompted by discovery of cracks in the 2nd-stage HPT air seals. This proposed AD would require, for those air seals that meet certain cycles since new (CSN) criteria, inspection and removal from service of HPT air seals that fail inspection. We are proposing this AD to prevent failure of the 2nd-stage HPT air seal, which could lead to an uncontained engine failure and damage to the airplane.

View Details » 78 FR 16620

122

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Type: PROPOSED RULE
FR Reference: 78 FR 17300 [Volume: 78, Number: 55 (pages 17300 to 17303)]
Date: 03-21-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Rolls-Royce plc Turbofan Engines

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to supersede an existing airworthiness directive (AD) for all Rolls-Royce plc (RR) RB211-Trent 553-61, 553A2-61, 556-61, 556A2-61, 556B-61, 556B2-61, 560-61, 560A2-61, 768-60, 772-60, 772B-60, 875-17, 877-17, 884-17, 884B-17, 892-17, 892B-17, and 895-17 turbofan engines. The existing AD currently requires inspection of the intermediate-pressure (IP) compressor rotor shaft rear balance land for cracks. Since we issued that AD, a crack was detected in a Trent 500 IP compressor rotor shaft rear balance land during a shop visit, and further engineering evaluation done by RR concluded that the cracking may also exist in Trent 900 engines. This proposed AD would require inspections of the IP compressor rotor shaft as required by the existing AD while adding on-wing inspections for the Trent 500 engines, and on-wing and in-shop inspections for the Trent 900 engines. We are proposing this AD to detect cracking on the IP compressor rotor shaft rear balance land, which could lead to uncontained engine failure and damage to the airplane.

View Details » 78 FR 17300

123

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Type: PROPOSED RULE
FR Reference: 78 FR 18255 [Volume: 78, Number: 58 (pages 18255 to 18257)]
Date: 03-26-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Hartzell Propeller, Inc. Propellers

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for Hartzell Propeller, Inc. propeller models HC-(1, D)2(X, V, MV)20-7, HC-(1, D)2(X, V, MV)20-8 and HC-(1, D)3(X, V, MV)20-8. This proposed AD was prompted by failures of the propeller hydraulic bladder diaphragm and resulting engine oil leak. This proposed AD would require replacement of the propeller hydraulic bladder diaphragm. We are proposing this AD to prevent propeller hydraulic bladder diaphragm rupture, loss of engine oil, damage to the engine, and loss of the airplane.

View Details » 78 FR 18255

124

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Type: PROPOSED RULE
FR Reference: 78 FR 18257 [Volume: 78, Number: 58 (pages 18257 to 18259)]
Date: 03-26-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Bombardier, Inc. Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to supersede an existing airworthiness directive (AD) that applies to certain Bombardier, Inc. Model DHC-8-100, -200, and -300 series airplanes. The existing AD currently requires replacing certain parking brake accumulators. Since we issued that AD, we have determined that it is necessary to protect the hydraulic system and airplane structure from possible damage by any faulty screw cap or end cap of any accumulator. This proposed AD would require installing restraint devices around the parking brake accumulator end caps. We are proposing this AD to prevent failure of the parking brake accumulator screw cap or end cap resulting in loss of the number 2 hydraulic system and damage to airplane structures, which could adversely affect the controllability of the airplane.

View Details » 78 FR 18257

125

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Type: PROPOSED RULE
FR Reference: 78 FR 18529 [Volume: 78, Number: 59 (pages 18529 to 18531)]
Date: 03-27-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Learjet Inc. Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain Learjet Inc. Model 45 airplanes. This proposed AD was prompted by a report that the fire barrier seal on the external baggage door does not seal the surrounding door structure due to incorrect positioning of the barrier. This proposed AD would require modifying the fire seal on the baggage door, including doing inspections of the fire seal for correct contact and corrective action if necessary. We are proposing this AD to prevent improper sealing of the baggage door, which could increase the risk of an uncontained fire in the baggage compartment.

View Details » 78 FR 18529

126

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Type: PROPOSED RULE
FR Reference: 78 FR 18531 [Volume: 78, Number: 59 (pages 18531 to 18533)]
Date: 03-27-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Learjet Inc. Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain Learjet Inc. Model 60 airplanes. This proposed AD was prompted by a report of a high-speed rejected takeoff caused by all four main landing gear (MLG) tires blowing out during the takeoff roll. This proposed AD would require installing new rigid hydraulic tube assemblies to the MLG struts, installing a new MLG squat switch bracket, modifying the MLG squat switch wire harness, modifying the MLG anti-skid wheel transducer electrical wire harnesses, routing and securing the anti-skid wheel and squat switch electrical wire harnesses to the MLG strut assembly; installing outboard bracket assemblies, anti-skid shield, forward electrical cover on the forward stiffener, upper and lower inboard bracket assemblies, and clamps that support the electrical wire harness; modifying the aft stiffener for the new electrical wire harness support; installing the aft electrical cover and strap on the aft stiffener; installing a new flat landing light lamp if necessary; and, for certain airplanes; installing a new wheel speed detect box assembly, nutplates, and brackets and a new thrust reverser interface box, and modifying the wiring for the new thrust reverser interface box. We are proposing this AD to prevent failure of the braking system or adverse operation of the spoiler and thrust reverser system due to external damage, particularly from tire failure, which could result in loss of control of the airplane.

View Details » 78 FR 18531

127

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Type: PROPOSED RULE
FR Reference: 78 FR 18533 [Volume: 78, Number: 59 (pages 18533 to 18534)]
Date: 03-27-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Lindstrand Hot Air Balloons Ltd Appliances

CFR References: 14 CFR 39

Action: Proposed rule; correction.

Summary: The FAA is correcting an airworthiness directive (AD) thatpublished in the Federal Register . That AD applies to certain Lindstrand Hot Air Balloons Ltd female ACME threaded hose connectors, part numbers HS6139 and HS6144, installed on balloons. The text in the section titled PART-39—AIRWORTHINESS DIRECTIVES, paragraph (c) Applicability, is incorrect. This document corrects that error. In all other respects, the original document remains the same.

View Details » 78 FR 18533

128

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Type: PROPOSED RULE
FR Reference: 78 FR 18917 [Volume: 78, Number: 60 (pages 18917 to 18920)]
Date: 03-28-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 747-100, -100B, -100B SUD, -200B, -200C, -200F, -300, -400, -400D, -400F, and 747SR series airplanes. This proposed AD was prompted by reports of cracking at the aft upper corner of the main entry door (MED) 5 cutout. This proposed AD would require inspecting for the presence of repairs and measuring the edge margin at certain fastener locations around the upper aft corner of the door cutout, inspecting for any cracking of the fuselage skin assembly and bear strap in the aft upper corner area of the door cutout, and repairing or modifying the fuselage skin assembly and bear strap if necessary. We are proposing this AD to detect and correct cracking of the skin and bear straps at the aft upper corner of the MED 5 cutout, which could result in in-flight depressurization.

View Details » 78 FR 18917

129

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Type: PROPOSED RULE
FR Reference: 78 FR 18920 [Volume: 78, Number: 60 (pages 18920 to 18922)]
Date: 03-28-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Austro Engine GmbH Engines

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for all Austro Engine GmbH model E4 engines. This proposed AD was prompted by reports of several power loss events due to fracture of the waste gate controller lever. This proposed AD would require removing from service certain part number (P/N) waste gate controllers. We are proposing this AD to prevent engine power loss or in-flight shutdown, which could result in loss of control and damage to the airplane.

View Details » 78 FR 18920

130

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Type: PROPOSED RULE
FR Reference: 78 FR 18922 [Volume: 78, Number: 60 (pages 18922 to 18925)]
Date: 03-28-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 707-300, 707-300B, and 707-300C series airplanes; and certain Model 727C, 727-100C, and 727-200F series airplanes. This proposed AD was prompted by a report that a cam latch on the main cargo door (MCD) broke during flight. This proposed AD would require performing repetitive inspections of the MCD cam latches; replacing cam latches, certain bolts, and door hinge fittings; performing related investigative and corrective actions, if necessary; and MCD rigging. We are proposing this AD to detect and correct cracked or damaged cam latches, latch pins, and latch pin cross bolts, which could reduce the structural integrity of the MCD, and result in rapid decompression of the airplane and potential loss of the MCD during flight.

View Details » 78 FR 18922

131

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Type: PROPOSED RULE
FR Reference: 78 FR 18925 [Volume: 78, Number: 60 (pages 18925 to 18928)]
Date: 03-28-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Airbus Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for all Airbus Model A330-223F, -223, -321, -322, and -323 airplanes. This proposed AD was prompted by fatigue load analysis that determined that the inspection interval for certain pylon bolts must be reduced. This proposed AD would require a torque check of forward engine mount bolts, and replacement if necessary. We are proposing this AD to detect and correct loose or broken bolts, which could lead to engine detachment in-flight, and damage to the airplane.

View Details » 78 FR 18925

132

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Type: PROPOSED RULE
FR Reference: 78 FR 19628 [Volume: 78, Number: 63 (pages 19628 to 19630)]
Date: 04-02-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; General Electric Company Turbofan Engines

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain General Electric Company (GE) GE90-76B, -85B, -90B, -94B, -110B1, and -115B turbofan engines. This proposed AD was prompted by multiple reports of failure of certain stage 1 high-pressure turbine (HPT) stator shrouds due to accelerated corrosion and oxidation. This proposed AD would require initial and repetitive on-wing borescope inspections (BSIs) for corrosion and oxidation, of the affected stage 1 HPT stator shrouds, and removal from service before further flight, if the parts fail the inspection. We are proposing this AD to prevent failure of the stage 1 HPT stator shrouds, resulting in in-flight shutdown of one or more engines, loss of thrust control, and damage to the airplane.

View Details » 78 FR 19628

133

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Type: PROPOSED RULE
FR Reference: 78 FR 20503 [Volume: 78, Number: 66 (pages 20503 to 20505)]
Date: 04-05-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Pratt & Whitney Canada Corp. Turboprop Engines

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain Pratt & Whitney Canada Corp. (P&WC) PW118A, PW118B, PW119B, PW119C, PW123, PW123B, PW123C, PW123D, PW123E, PW123AF, PW124B, PW125B, PW126A, PW127, PW127E, PW127F, PW127G, and PW127M turboprop engines. This proposed AD was prompted by reports of fractures of the 1st stage power turbine (PT) blade. This proposed AD would require inspection of the 1st stage PT blades and the removal from service of those blades that fail the inspection or their replacement with blades eligible for installation. We are proposing this AD to prevent fracture of the 1st stage PT blade, possible engine fire, and damage to the airplane.

View Details » 78 FR 20503

134

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Type: PROPOSED RULE
FR Reference: 78 FR 20505 [Volume: 78, Number: 66 (pages 20505 to 20507)]
Date: 04-05-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Rolls-Royce plc Turbofan Engines

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain Rolls-Royce plc (RR) RB211-524B-02; -524B2-19; -524B3-02; -524B4-02; -524C2-19; -524D4-19; -524D4-B-19; -524D4-39; -535C-37; -535E4-37; -535E4-B-37, and -535E4-B-75 turbofan engines, and all RB211-524G2-19; -524G3-19; -524H2-19; and -524H-36 turbofan engines. This proposed AD was prompted by the discovery of a cracked and distorted front combustion liner (FCL) metering panel, which was made from the wrong material. This proposed AD would require a one-time inspection of the FCL metering panel to determine if it was made from N75 material and replacing it with one made from C263 material if it was made from N75 material. We are proposing this AD to prevent hot gas burning through the engine casing, which could result in an under-cowl fire and damage to the airplane.

View Details » 78 FR 20505

135

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Type: PROPOSED RULE
FR Reference: 78 FR 20507 [Volume: 78, Number: 66 (pages 20507 to 20509)]
Date: 04-05-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Rolls-Royce plc Turbofan Engines

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for all Rolls-Royce plc (RR) RB211-535E4-37, RB211-535E4-B-37, RB211-535E4-C-37, and RB211-535E4-B-75 turbofan engines. This proposed AD was prompted by RR updating the low-cycle-fatigue life analysis for the low pressure turbine (LPT) stage 2 discs. This proposed AD would require removal of affected parts using a drawdown plan. We are proposing this AD to prevent LPT stage 2 disc failure, which could result in uncontained engine damage and damage to the airplane.

View Details » 78 FR 20507

136

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Type: PROPOSED RULE
FR Reference: 78 FR 20509 [Volume: 78, Number: 66 (pages 20509 to 20511)]
Date: 04-05-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Rolls-Royce plc Turbofan Engines

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for all Rolls-Royce plc (RR) RB211-535E4-B-37 series turbofan engines. This proposed AD was prompted by recalculating the life of certain life limited parts operated to certain flight profiles. This proposed AD would require removal of affected parts using a drawdown plan. We are proposing this AD to prevent the failure of critical rotating parts, which could result in uncontained failure of the engine and damage to the airplane.

View Details » 78 FR 20509

137

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Type: PROPOSED RULE
FR Reference: 78 FR 21072 [Volume: 78, Number: 68 (pages 21072 to 21074)]
Date: 04-09-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; B-N Group Ltd. Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for B-N Group Ltd. Models BN-2, BN-2A, BN2A MK. III, BN2A MK. III-2, BN2A MK. III-3, BN-2A-2, BN-2A-20, BN-2A-21, BN-2A-26, BN-2A-27, BN-2A-3, BN-2A-6, BN-2A-8, BN-2A-9, BN-2B-20, BN-2B-21, BN-2B-26, BN-2B-27, BN-2T, and BN-2T-4R airplanes. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as inadequate sealing of the fuel filler cap (fuel tank cap) and the fuel filler receptacle (fuel tank opening), which could lead to contaminated fuel and result in in-flight shutdown of the engine. We are issuing this proposed AD to require actions to address the unsafe condition on these products.

View Details » 78 FR 21072

138

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Type: PROPOSED RULE
FR Reference: 78 FR 21074 [Volume: 78, Number: 68 (pages 21074 to 21077)]
Date: 04-09-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Bombardier, Inc. Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to supersede an existing airworthiness directive (AD) that applies to certain Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes. The existing AD currently requires revising the airworthiness limitations section of the Instructions for Continued Airworthiness of the maintenance requirements manual (MRM) by incorporating procedures for repetitive functional tests of the pilot input lever of the pitch feel simulator (PFS) units and new repetitive functional tests of the pilot input lever of the PFS unit, and corrective actions if necessary; and, after initiating the new tests, removing of the existing procedures for the repetitive functional tests from the MRM. The existing AD was prompted by a report that the shear pin located in the input lever of two PFS units failed due to fatigue. Since we issued that AD, a new re-designed PFS unit has been developed, which eliminates the need for repetitive inspections. This proposed AD would require replacing certain PFS units with the new redesigned PFS unit. This proposed AD would also remove certain airplanes from the applicability and add certain airplanes to the applicability. We are proposing this AD to prevent undetected failure of the shear pins of both PFS units simultaneously, which could result in loss of pitch feel forces and consequent reduced control of the airplane.

View Details » 78 FR 21074

139

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Type: PROPOSED RULE
FR Reference: 78 FR 21079 [Volume: 78, Number: 68 (pages 21079 to 21082)]
Date: 04-09-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; Bombardier, Inc. Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain Bombardier, Inc. Model DHC-8-102, -103, and -106 airplanes. This proposed AD was prompted by a report of cracking in a lower longeron in a nacelle. This proposed AD would require repetitive inspections for cracking of the lower longerons in the nacelles and replacement with new longerons or repair if necessary. Additionally, this proposed AD specifies an optional terminating action. We are proposing this AD to detect and correct such cracking, which could result in degradation of the structural integrity of the nacelle and possible collapse of the main landing gear (MLG).

View Details » 78 FR 21079

140

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Type: PROPOSED RULE
FR Reference: 78 FR 21082 [Volume: 78, Number: 68 (pages 21082 to 21084)]
Date: 04-09-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), Department of Transportation (DOT).)
Subject: Airworthiness Directives; GROB-WERKE Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for GROB-WERKE GMBH & CO KG Model G 115E airplanes. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as incorrect cable routing causing electrical shorting behind the left-hand (LH) cockpit instrument panel. We are issuing this proposed AD to require actions to address the unsafe condition on these products.

View Details » 78 FR 21082

141

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Type: PROPOSED RULE
FR Reference: 78 FR 21276 [Volume: 78, Number: 69 (pages 21276 to 21279)]
Date: 04-10-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 767-200, -300, -300F, and -400ER series airplanes. This proposed AD was prompted by reports of cracked and corroded nuts on an outboard flap support rib. This proposed AD would require, for certain airplanes, repetitive inspections of the cap seal for damaged sealant on nuts common to certain outboard flap support ribs, related investigative and corrective actions if necessary, and replacement of all fasteners in the support ribs, which terminates the repetitive inspections. For certain other airplanes, this proposed AD would require repetitive inspections of the cap seal for damaged sealant on nuts common to certain outboard flap support ribs, related investigative and corrective actions if necessary, and if necessary, a detailed inspection to determine the nut type installed in the outboard flap support rib and corrective actions; for these airplanes, this proposed AD provides optional replacement of all fasteners in the support ribs, which would terminate the repetitive inspections. We are proposing this AD to detect and correct cracked and corroded nuts and bolts and the installation of incorrect nuts on certain outboard flap support ribs, which could lead to additional nut and bolt damage in the joint, and result in loss of an outboard flap, and adversely affect continued safe flight and landing of the airplane.

View Details » 78 FR 21276

142

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Type: PROPOSED RULE
FR Reference: 78 FR 21279 [Volume: 78, Number: 69 (pages 21279 to 21281)]
Date: 04-10-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to supersede an existing airworthiness directive (AD) that applies to certain The Boeing Company Model 737-100 and -200 series airplanes. The existing AD currently requires replacement of certain underwing fuel tank access covers with stronger, fire-resistant covers. Since we issued that AD, we received reports of standard access doors installed where impact resistant access doors are required and reports of impact resistant doors without stencils. This proposed AD would require inspecting fuel tank access doors to determine that impact resistant access doors are installed in the correct locations, inspecting application of stencils and index markers of impact resistant access doors, corrective actions if necessary, revising the maintenance program, and adding airplanes to the applicability. We are proposing this AD to prevent foreign object penetration of the wing tank, which could lead to a fuel leak near ignition sources (engine, hot brakes), consequently leading to a fuel-fed fire.

View Details » 78 FR 21279

143

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Type: PROPOSED RULE
FR Reference: 78 FR 21569 [Volume: 78, Number: 70 (pages 21569 to 21571)]
Date: 04-11-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for all The Boeing Company Model 727 airplanes. This proposed AD was prompted by reports of cracks on the elevator rear spar stiffener assembly. This proposed AD would require repetitive detailed inspections for cracking of the elevator rear spar stiffener assembly, and corrective actions if necessary. We are proposing this AD to detect and correct cracking of the elevator rear spar stiffener assembly, which could adversely affect elevator structural stiffness, that could lead to elevator vibration and possible interference with the tab control rod and which could result in flutter and consequent loss of control of the airplane.

View Details » 78 FR 21569

144

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Type: PROPOSED RULE
FR Reference: 78 FR 21571 [Volume: 78, Number: 70 (pages 21571 to 21573)]
Date: 04-11-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 747-400, -400D, and -400F series airplanes. This proposed AD was prompted by a report of water leakage into the main deck cargo wire integration unit (WIU). The water flowed from the drip shield through disbonded floor seams into the aft main equipment center (MEC) drip shield gutter, then onto the WIU. This proposed AD would require removing the cargo liner support; cleaning the aft MEC drip shield gutter; and doing a one-time general visual inspection for disbonded seams, and repair if necessary. This proposed AD would also require installing a fiberglass reinforcement overcoat to the top surface of the aft MEC drip shield gutters and installing the cargo liner support. We are proposing this AD to prevent water penetration into the MEC, which could result in the loss of flight critical systems.

View Details » 78 FR 21571

145

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Type: PROPOSED RULE
FR Reference: 78 FR 21576 [Volume: 78, Number: 70 (pages 21576 to 21578)]
Date: 04-11-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; The Boeing Company Airplanes

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 757-200, 757-200CB, and 757-200PF airplanes. This proposed AD was prompted by a report that a forward-most cam latch of the forward center cam latch pair on a main cargo door (MCD) broke during flight. This proposed AD would require performing repetitive inspections of the MCD cam latches; replacing cam latches, certain bolts, and door hinge fittings; performing related investigative and corrective actions, if necessary; and MCD rigging. We are proposing this AD to detect and correct cracked or damaged cam latches, latch pins, and latch pin cross bolts, which could reduce the structural integrity of the MCD, and result in potential rapid decompression of the airplane and potential loss of the cargo door from the airplane.

View Details » 78 FR 21576

146

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Type: PROPOSED RULE
FR Reference: 78 FR 21578 [Volume: 78, Number: 70 (pages 21578 to 21580)]
Date: 04-11-2013
Agency: DEPARTMENT OF TRANSPORTATION (Federal Aviation Administration (FAA), DOT.)
Subject: Airworthiness Directives; General Electric Company Turbofan Engines

CFR References: 14 CFR 39

Action: Notice of proposed rulemaking (NPRM).

Summary: We propose to adopt a new airworthiness directive (AD) for all General Electric Company (GE) model GEnx-2B67 and GEnx-2B67B turbofan engines with booster anti-ice (BAI) air duct, part number (P/N) 2469M32G01, and support bracket, P/N 2469M46G01, installed. This proposed AD was prompted by reports of cracks in the BAI air duct. This proposed AD would require initial and repetitive visual inspections of the BAI air duct, removal from service of the BAI air duct if it fails inspection and, as a mandatory terminating action, the installation of new BAI air duct support brackets. We are proposing this AD to prevent failure of the BAI air duct, resulting in an in-flight shutdown of one or more engines, loss of thrust control, and damage to the aircraft.

View Details » 78 FR 21578

 
 
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