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 document proposes the adoption of a new airworthiness directive (AD) that is applicable to all Boeing Model 757200 series airplanes modified by supplemental type certificate (STC) SA1727GL. This proposal would require deactivation of the airtoground telephone system approved by that STC. This action is necessary to prevent the inability of

DEPARTMENT OF TRANSPORTATION : Treasury Department

This amendment adopts a new airworthiness directive (AD), applicable to certain Bombardier Model DHC8100, 200, and 300 series airplanes, that requires removing certain foam filters from the cabin ducting installation located below the dado panels on the left and righthand sides of the airplane. The actions specified by this AD are intended to

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) that is applicable to Airbus Model A330243, 341, 342, and 343 series airplanes equipped with Rolls Royce Trent 700 series engines. This action requires repetitive inspections of certain components, and corrective action, if necessary. This action is necessary to detect and correct fatigue

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to certain Airbus Model A330 and A340 series airplanes. This action requires a onetime inspection to verify the proper
configuration of the drive assemblies for the lowpressure and, for certain airplanes, the crossfeed fuel valves; and corrective action, if necessary. This action

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes the supersedure of an existing airworthiness directive (AD), applicable to certain Bombardier Model DHC8200 and 300 series airplanes, that currently requires repetitive inspections to detect chafing or arcing damage to the cable/wire and fuel tube assemblies on the righthand side of each engine, and replacement with new

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) that is applicable to certain Airbus Model A319 and A320 series airplanes. This action requires revising the Airplane Flight Manual (AFM) to specify procedures for landing under certain conditions of gusty winds and turbulence. This action is prompted by a report of a recent hard landing on

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 767 series airplanes powered by General Electric or Pratt & Whitney engines, that requires repetitive inspections to detect discrepancies of the aftmost fastener holes in the horizontal tangs of the midspar fitting of the strut, and corrective actions, if

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

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain Dassault Model Mystere Falcon 50 series airplanes. This proposal would require repetitive tests of doubleskin feeder tanks for fuel leaks, and corrective actions, if necessary. It would also require modification of seals in the feeder tanks,

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 and 30 series airplanes. This proposal would require an inspection of the power feeder cable for evidence of chafing, and repair of any chafed power feeder cable. This proposal also would require replacement of the

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain Airbus Model A300 B4620, A310203, A310221, and A310222 series airplanes. This proposal would require repetitive inspections of fuselage frame 07 in the upper frame section assemblies of the lateral cockpit windows, and corrective action, if

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), that is applicable to certain Honeywell International, Inc. (formerly AlliedSignal, Inc. and Textron Lycoming) LTP 101 series turboprop and LTS101 series turboshaft engines. This amendment requires a new life limitation and removal of rigid tube fuel manifold assemblies and replacement with

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 737 series airplanes, that requires inspection of wire bundles in certain junction boxes in the main wheel well to detect chafing or damage, and followon actions. The actions specified by this AD are intended to prevent wire damage, which could result in

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment supersedes an existing airworthiness directive (AD), applicable to all Fokker Model F.28 Mark 0100 series airplanes, that currently requires replacement of the antiskid control boxes with improved units. This amendment requires modification or replacement of the antiskid control boxes with new, improved units, which render the skid

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) for Agusta S.p.A. (Agusta) Model A109E helicopters that requires modifying the passenger compartment sliding doors by installing certain locking mechanism kits. This amendment is prompted by accidental opening of a passenger compartment sliding door (door) in flight due to a door locking

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), [[Page 44036]]
applicable to certain McDonnell Douglas Model MD11 series airplanes, that requires an inspection to detect arcing damage of the electrical cables leading to the hydraulic pump terminal strips and the surrounding structure in the wheel well area of the right main landing gear

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to certain McDonnell Douglas Model DC1010, 15, 30, and 40 series airplanes, and Model MD1010F and 30F series airplanes, that requires a general visual inspection to detect chafing or damage of the feeder cables of the external ground power in the forward cargo compartment between

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) that is applicable to all Boeing Model 737600, 700, 700C, and 800 series airplanes. This action prohibits installation of repairs of the elevator tab using previously approved repair procedures. This action is necessary to prevent installation of repairs of the elevator tab that are outside

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration