This amendment adopts a new airworthiness directive (AD), applicable to all British Aerospace Model BAC 111 401/AK and 410/AQ airplanes, that requires replacement of certain landing gear brake accumulators with improved accumulators. The actions specified by this AD are intended to prevent loss of hydraulic pressure and possible structural damage

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to certain Learjet Model 45 series airplanes, that requires repetitive application of grease to the rotating disk assembly of the nose landing gear squat switch mechanism. Application of grease to the squat switch assembly is necessary to prevent moisture contamination and

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to all British Aerospace BAe Model ATP airplanes. This action requires repetitive inspections to detect damage of the torque link apex joint of the leftand righthand main landing gear (MLG); and replacement of nuts, pins, and bolts with new parts, if necessary. This action is

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 757 series airplanes, that requires modification of the nacelle strut and wing structure. This amendment is prompted by reports indicating that the actual operational loads applied to the nacelle are higher than the analytical loads that were used during

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes to adopt a new airworthiness directive (AD) that would apply to certain Raytheon Aircraft Company (Raytheon) Beech Models A36, B36TC, and 58 airplanes. The proposed AD would require you to inspect for missing rivets on the right hand side of the fuselage and, if necessary, install rivets. Raytheon has identified several

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to RollsRoyce, plc Tay 65015 and 65154 turbofan engines. This proposal would require initial and repetitive visual and ultrasonic inspections of fan blades for cracks, and, if necessary, replacement with serviceable parts. In addition, this AD requires

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes to adopt a new airworthiness directive (AD) that would apply to certain Raytheon Aircraft Company (Raytheon) Beech Model 58 airplanes. The proposed AD would require you to inspect the rudder bellcrank interconnect tube for damage; replace or refinish the interconnect tube, if necessary; and modify the floorboard. Four

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to all Lockheed Model 188A and 188C series airplanes. This proposal would require a revision of the Airplane Flight Manual (AFM) to add procedures for donning the flightcrew oxygen masks when the cabin altitude warning horn is activated. This action is

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes the supersedure of an existing airworthiness directive (AD), applicable to all Boeing Model 777 series airplanes, that currently requires repetitive testing of the engine fire shutoff switch (EFSS) to determine if the override mechanism and the switch handle are operational, and replacement of the EFSS, if necessary. That AD

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment supersedes an existing airworthiness directive (AD), applicable to certain Boeing Model 747100, 200, 300, 747SR, and 747SP series airplanes, that currently requires a onetime inspection to detect cracking of the longeron splice fittings at stringer 11, on the left and right sides at body station 2598, and replacement of any cracked

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment supersedes an existing airworthiness directive (AD), applicable to certain Boeing Model 747 and 767 series airplanes, that currently requires revising the FAAapproved Airplane Flight Manual (AFM) to prohibit the use of certain fuels; and either replacing an existing placard with a new placard, or replacing all dribble flow fuel

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to Honeywell International, Inc. (formerly AlliedSignal Inc. and Garrett Turbine Engine Company) high pressure compressor (HPC) impellers installed on TFE7312, 3, 4, and 5 series turbofan engines. This AD requires the removal and inspection of the HPC impeller and, if necessary,

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment supersedes an existing airworthiness directive (AD), applicable to certain CFM International (CFMI) CFM56 series turbofan engines,
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that requires revisions to the Airworthiness Limitations Section of applicable Engine Shop Manuals (ESMs). These revisions incorporate required enhanced inspection of selected critical

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain Boeing Model 777200 series airplanes. This proposal would require replacement of certain components. This action is necessary to prevent corrosion of the axle of the main landing gear, which could result in cracking and failure of the axle, loss

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) that is applicable to certain BFGoodrich main brake assemblies as installed on Airbus Model A319 and A320 series airplanes. This action requires repetitive inspections to determine the length of the wear indicator pins of the main brake assemblies of the main landing gear (MLG); followon

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document revises an earlier proposed airworthiness directive (AD) for Eurocopter France Model AS332C, L, and L1 helicopters. That proposed AD would have required inspecting the horizontal stabilizer spar tube (spar tube) for corrosion, hardness, cracks, and scratches, and if necessary, replacing any unairworthy spar tube and bushing with an

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes to adopt a new airworthiness directive (AD) that would apply to certain Cessna Aircraft Company (Cessna) 150, 172, 175, 180, 182, 185, 206, 210, and 336 series airplanes. The proposed AD would affect those airplanes equipped with 0513166 series plastic control wheels. The proposed AD would require you to repetitively inspect

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document publishes in the Federal Register an amendment adopting superseding Airworthiness Directive (AD) 20002251, which was sent previously by individual letters to all known U.S. owners and operators of Model HH1K, TH1F, TH1L, UH1A, UH1B, UH1E, UH1F, UH 1H, UH1L, and UH1P; and Southwest Florida Aviation SW204, SW204HP, SW205, and SW205A1

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) that applies to certain Raytheon Aircraft Corporation (Raytheon) Beech Models A36, B36TC, and 58 airplanes. This AD requires you to inspect for misrouted rudder control cables; replace any worn or damaged guard pins; replace any pulley brackets that are damaged or worn; and replace any

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 777200 series airplanes, that requires replacement of certain components. The actions specified by this AD are intended to prevent corrosion of the axle of the main landing gear, which could result in cracking and failure of one or more axles, loss of the

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment supersedes an existing airworthiness directive (AD), applicable to certain McDonnell Douglas Model DC910, 20, 30, 40, and 50 series airplanes, that currently requires repetitive radiographic and ultrasonic or eddy current inspections, and modification of the upper cap of the front spar of the left and right engine pylons, if

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment supersedes an existing airworthiness directive (AD), applicable to all Short Brothers Model SD360 SHERPA series airplanes, that currently requires a onetime visual inspection to determine the part number of the power control cable assemblies and pulleys of the engine controls; and replacement of the power control cable assemblies

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) that applies to all Aerotechnik s.r.o. (Aerotechnik) Model L 13 SEH VIVAT sailplanes. This AD requires you to inspect the tailfuselage hinge for strength requirements and damage, and also requires you to replace any hinge with damage or that does not meet strength requirements. This AD is

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) that is applicable to certain Boeing Model 767 series airplanes powered by RollsRoyce RB211 series engines. This action requires modification of the nacelle strut and wing structure. This action is necessary to prevent fatigue cracking in primary strut structure and consequent reduced

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document revises an earlier proposed airworthiness directive (AD) for Eurocopter Deutschland GMBH (ECD) Model BO105CB5 and BO105CBS5 helicopters that would have superseded an existing AD. The existing AD requires, before further flight, creating a component log card or equivalent record and determining the calendar age and number of flights

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration