The FAA is revising an existing airworthiness directive (AD) for certain Boeing Model 757200 and 200PF series airplanes. That AD currently requires inspections, adjustments, and functional checks of the engine thrust reverser system; and modification of the engine thrust reverser directional control valve. That AD also requires installation of an

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA is adopting a new airworthiness directive (AD) for certain McDonnell Douglas Model MD11 and MD11F airplanes equipped with Pratt & Whitney PW4000 series engines. This AD requires, for each engine, replacing, with a tube assembly, the existing hose assembly that connects the oil pressure transmitter to the main oil circuit. This AD is

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to certain Airbus Model A330, A340200, and A340300 series airplanes. This AD requires initial and repetitive inspections of certain frame stiffeners to detect cracking. If any cracking is found, this AD requires replacement of the stiffener with a new, reinforced stiffener.

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA is superseding an existing Priority Letter Airworthiness Directive (AD) for Hartzell Propeller Inc. model HCB3TN 5( )/T10282( ) propellers. That AD currently requires initial and repetitive inspections of the blade pilot tube bore area. This ad requires the same inspections. This AD results from a review of all currently effective ADs. That

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus Model A320 series airplanes. This proposed AD would require postmaintenance bleeding of accumulated air from, or ground functional testing of, the ram air turbine (RAT) system; modifying and reidentifying the airborne ground check module of the RAT system; and replacing the

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA is adopting a new airworthiness directive (AD) for certain Boeing Model 737600, 700, 700C, 800, and 900 series airplanes. This AD requires repetitive detailed, low frequency eddy current, and high frequency eddy current inspections of the webs of the aft pressure bulkhead at body station 1016 for cracks, and corrective action if necessary.

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA proposes to adopt a new airworthiness directive (AD) for all Boeing Model 727, 727C, 727100, and 727100C series airplanes. This proposed AD would require repetitive inspections for cracks in the body skin and bear strap at the upper and lower hinge cutouts of the midcabin galley doorway, along the upper fastener row of the stringer 14R lap

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA is superseding an existing airworthiness directive (AD) for Pratt & Whitney (PW) PW4000 series turbofan engines. That AD currently requires revisions to the engine manufacturer's time limits section (TLS) to include enhanced inspection of selected critical life limited parts at each piecepart opportunity. This AD modifies the airworthiness

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA is superseding an existing airworthiness directive (AD), which applies to all Aerospatiale Model ATR42200, ATR42300, and ATR42320 airplanes. That AD currently requires inspections to determine the proper installation of rivets in certain key holes and to detect cracks in the area of the key holes where rivets are missing; and correction of

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA is adopting a new airworthiness directive (AD) for certain McCauley Propeller Systems propeller assemblies installed on BAE Systems (Operations) Limited Jetstream model 4100 series airplanes. This AD requires removing certain propeller hubs from service at new reduced life limits and eddy current inspections (ECIs) of the propeller hub.

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document announces a reopening of the comment period for the abovereferenced NPRM. The NPRM proposed the adoption of a new airworthiness directive (AD) for certain Boeing transport category airplanes. That NPRM invites comments concerning the proposed requirements for replacing any insulation blanket constructed of polyethyleneteraphthalate

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA proposes to adopt a new airworthiness directive (AD) for certain Boeing Model 747100, 100B, 100B SUD, 200B, and 300 series airplanes; and Model 747SP and 747SR series airplanes. This proposed AD would replace certain requirements of an existing AD. This proposed AD would require repetitive inspections to detect cracks in various areas of

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA is correcting a typographical error in an existing airworthiness directive (AD) that was published in the Federal Register on March 28, 2005 (70 FR 15574). The error resulted in an incorrect AD number. This AD applies to certain British Aerospace Model BAe 146 and Model Avro 146RJ series airplanes. This AD requires repetitive inspections

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA adopts a new airworthiness directive (AD) for certain Pilatus Aircraft Ltd. (Pilatus) Models PC12 and PC12/45 airplanes. This AD requires you to inspect the left and right main landing gear (MLG) assemblies for any part number (P/N) 532.10.12.077 or FAA approved equivalent part number bolts that do not have white primed and painted heads;

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA is adopting a new airworthiness directive (AD) for certain Boeing Model 757200, 200PF, and 300 series airplanes. This AD requires inspecting for damage of the ground brackets, ground wires, and terminal lugs of the auxiliary power unit (APU) battery and the APU start transformer rectifier unit (TRU) as applicable; and
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DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA proposes to adopt a new airworthiness directive (AD) for all transport category airplanes listed above. This proposed AD would require repetitive inspections for cracks of the main landing gear (MLG) shock strut cylinder, and related investigative and corrective actions if necessary. This proposed AD is prompted by two reports of a

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA is adopting a new airworthiness directive (AD) for certain British Aerospace Model HS 748 airplanes. This AD requires relocating the battery earth posts located on the nose landing gear (NLG) pintle webs. This AD results from an accident in which the nose landing leg, together with the pintle webs, detached from the airplane. As a result,

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA proposes to adopt a new airworthiness directive (AD) for certain Boeing Model 737200, 300, 400, and 500 series
airplanes. This proposed AD would require a onetime inspection of frames between station 360 and station 907 to determine if a subject support bracket for the air conditioning outlet extrusion is installed, and related repetitive

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA is revising an existing airworthiness directive (AD) that applies to various transport category airplanes manufactured by McDonnell Douglas. We issued that AD to require a onetime test of the fire extinguishers for the engine and auxiliary power unit (APU), as applicable, to determine the capability of the Firex electrical circuits to fire

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA is adopting a new airworthiness directive (AD) for Teledyne Continental Motors (TCM) GTSIO520 series reciprocating engines. This AD requires initial and repetitive visual inspections of the starter adapter assembly and crankshaft gear. This AD also requires unscheduled visual inspections of the starter adapter assembly and crankshaft gear

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA proposes to supersede an existing airworthiness directive (AD) that applies to certain Bombardier Model CL6002B19 (Regional Jet Series 100 & 440) airplanes. The existing AD currently requires revising the Airplane Flight Manual (AFM) to provide the flightcrew with revised procedures for checking the flap system. The existing AD also

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA adopts a new airworthiness directive (AD) for certain Pilatus Aircraft Ltd. (Pilatus) Models PC12 and PC12/45 airplanes. This AD requires you to insert a temporary revision into the Limitations Section of the Pilot Operating Handbook (POH). This AD also requires you to replace the pitch actuator with an improved design pitch actuator and

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA is adopting a new airworthiness directive (AD) to supersede AD 791015, which applies to all Cessna Aircraft Company (Cessna) Models 401, 401A, 401B, 402, 402A, 402B, 411, and 411A airplanes. AD 791015 currently requires repetitive inspections of the right and left wing spar lower cap areas for fatigue cracks and requires wing spar cap

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA is adopting a new airworthiness directive (AD) for certain BAE Systems (Operations) Limited Model BAe 146 and Avro 146RJ airplanes. This AD requires modifying the auxiliary power unit (APU) exhaust duct in the environmental control system (ECS) bay; installing new, improved insulation on this APU exhaust duct; and replacing the existing

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus Model A300600 and A310 series airplanes. This proposed AD would require inspecting for certain serial numbers on elevators, and doing a detailed inspection, visual inspection with a lowangle light, and taptest inspection of the upper and lower surfaces of the external

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration