This amendment adopts a new airworthiness directive (AD) that is applicable to all Boeing Model 747400, 747400F, 767200, and 767 300 series airplanes equipped with Pratt & Whitney Model PW4000 series engines. This action requires revising the Airplane Flight Manual (AFM). This action is necessary to prevent reduced acceleration and climb

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 767 series airplanes powered by Pratt & Whitney engines, that requires modification of the nacelle strut and wing structure. The actions specified by this AD are intended to prevent fatigue cracking in primary strut structure and consequent reduced

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain McDonnell Douglas Model MD11 series airplanes. This proposal would require an inspection of the connector cables for signs of arcing and/or signs of moisture penetration into the overhead decoder units (ODU), and replacement of the affected

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes to supersede Airworthiness Directive (AD) 991932, which applies to certain Pilatus Aircraft Ltd. (Pilatus) Models PC12 and PC12/45 airplanes. AD 991932 currently requires you to inspect the flap actuator internal gear system for correct endplay and backlash measurements and accomplish any corrective adjustments, as

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to all Boeing Model 767300 series airplanes modified by supplemental type certificate ST00157SE, that requires modification of the electrical circuits that supply power to the inflight
entertainment (IFE) system. This action is necessary to prevent the inability of the flight

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to all Boeing Model 767200 series airplanes modified by Supplemental Type Certificate ST09022ACD, that requires modifying the passenger entertainment system (PES) and revising the Airplane Operations Manual. This action is necessary to ensure that the flight crew is able to

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment corrects and clarifies information in an existing airworthiness directive (AD), applicable to certain Gulfstream Model G1159, G1159A, G1159B, GIV, and GV series airplanes, that currently requires an inspection to determine if certain door control valves of the landing gear are installed, and modification of the valve, if necessary.

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) that is applicable to General Electric Company (GE) CF650 turbofan engines. This amendment requires removal of old high pressure compressor (HPC) air ducts and mating hardware and replacement with newly designed air ducts and reworked mating hardware. This amendment also requires the

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to all Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 series airplanes. This proposal would require a onetime inspection to detect the presence of filler plates of the engine support fittings, and corrective action, if necessary. This action is

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to certain Airbus Model A300 B2 and B4, A300 B4600 and B4 600R, and A310 series airplanes, that requires modification of the terminal blocks of the starter feeder line of the auxiliary power unit (APU). This action is necessary to prevent slackness and subsequent overheat and

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The Federal Aviation Administration (FAA) proposes to adopt a new airworthiness directive (AD) that is applicable to CFE Company Model CFE73811B turbofan engines. This proposal would require replacing the high pressure turbine (HPT) stage 1 aft cooling plate and HPT stage 2 disk at or before they reach new reduced life cycle limits. This proposal

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) that applies to certain The Cessna Aircraft Company (Cessna) Model 525 (CitationJet 1) airplanes. This AD requires you to replace certain direct current (DC) power battery switches. This AD is the result of reports of the potential for a certain 8pole battery switch to fail during flight.

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), that is applicable to RollsRoyce plc model RB211535E437, RB211535E4B 37, RB211535C37, RB211535E4B75 and RB21122B02 turbofan engines. This amendment requires inspection of certain high pressure (HP) turbine disks, manufactured between 1989 and 1999, for cracks in the rim cooling air holes,

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to certain Airbus Model A330 and A340 series airplanes, that requires identifying the part and serial numbers of the pressure reducing valve on each air pressurization unit, testing pressure reducing valves and air pressurization units having affected serial numbers, and

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain McDonnell Douglas Model DC910, 20, 30, 40, and 50 series airplanes; and C9 (military) airplanes.
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This proposal would require replacing the transformer ballast assembly in the first officer's console with a new, improved ballast

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) for Eurocopter France Model EC120B helicopters. This action requires visually checking the engine to main gearbox coupling tube assembly (tube) for a crack and replacing any cracked tube. This amendment is prompted by a report of a crack detected on a tube. The actions specified by this AD

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The Federal Aviation Administration (FAA) proposes to adopt a new airworthiness directive (AD) that is applicable to General Electric Company CF650 and CF680C2 turbofan engines. This proposal would require replacement of certain existing CF650 and CF680C2 shrouds with new design shrouds. This proposal is prompted by 37 low pressure turbine (LPT)

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain McDonnell Douglas Model DC981, 82, 83, and 87 Series Airplanes, and MD88 airplanes. This proposal would require revising the wiring of the selective calling (SELCAL) system. This action is necessary to prevent inadvertent very high frequency

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

The Federal Aviation Administration (FAA) proposes to adopt a new airworthiness directive (AD) that is applicable to GE Aircraft Engines (GE) CT7 series turboprop engines. This proposal would require removal of stage 2 turbine aft cooling plates of a certain part number (P/N) and installation of cooling plates of a new design. This proposal is

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment supersedes an emergency airworthiness directive (AD) 20010852 that was sent previously to all known U.S. owners and operators of Pratt and Whitney (PW) model PW4050, PW4052, PW4056, PW4060, PW4060A, PW4060C, PW4062, PW4152, PW4156, PW4156A, PW4158, PW4160, PW4460, PW4462, and PW4650 turbofan engines by individual letters. That

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) that is applicable to all Boeing Model 737 series airplanes. This action requires revising the Airplane Flight Manual to prohibit extended dry operation of the center tank fuel pumps (with no fuel passing through the pumps). This action is necessary to prevent ignition of fuel vapors due to

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain Boeing Model 737100, 200, and 200C series airplanes. This proposal would require a onetime detailed visual inspection of the carriage spindles on the outboard midflap for circumferential score marks; and rework of the carriage spindles or

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to certain Airbus Model A300 B2 and B4; A310; and A300 B4 600, B4600R, and F4600R (collectively called A300600) series airplanes; that requires modification of certain components related to the fuel level sensors. This action is necessary to prevent the possibility of overheating

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain Bombardier Model DHC8 100, 200, and 300 series airplanes. This proposal would require installation of a backup pressure regulating valve on the oil pump of the propeller control unit (PCU) on both engines. This action is necessary to prevent a

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment revises an existing airworthiness directive (AD), applicable to certain McDonnell Douglas Model MD11 series airplanes, that requires a onetime inspection to identify the part numbers of two dimmer controls for the overhead instrument panel light and circuit breaker lightplate located in the flight compartment. For airplanes on which

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration