This amendment adopts a new airworthiness directive (AD), applicable to RollsRoyce Ltd. Dart 511, 5117E, 5147, 528, 5287E, 5297E, 5327, 5327L, 5327N, 5327P, 5327R, 5357R, 5517R, and 552 7R turboprop engines. This AD requires the installation of a feathering probe and a steel retaining ring in the reduction gear housing (RGH) and replacement of a

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes the supersedure of 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

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to certain Boeing Model 737, 747, and 777 series airplanes. This proposal would require replacement of the seat track fittings on all passenger seats with new, improved fittings. This action is necessary to prevent unrestrained movement of the passenger

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document withdraws a supplemental notice of proposed rulemaking (NPRM) that would have applied to all Bombardier Inc. Models DHC61, DHC6100, DHC6200, and DHC6300 airplanes. The NPRM would have superseded both AD 801311 R2 and AD 800308, which currently require repetitive inspections of the flight control rods for cracks on the abovereferenced

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) that is applicable to certain Boeing Model 747100, 747200, 747300, 747SP, and 747SR series airplanes powered by Pratt & Whitney JT9D3 or JT9D7 series engines. This action requires inspections of the vertical chords of the aft torque bulkhead of the outboard nacelle struts, and corrective

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment supersedes an existing airworthiness directive (AD), applicable to certain Airbus Model A300 and all Model A300600 and A310 series airplanes, that currently requires performing a pitch trim system test to detect any continuity defect in the autotrim function, and followon corrective actions, if necessary. This amendment requires

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

Correction

In rule document 001193, beginning on page 2864, in the issue of Wednesday, January 19, 2000, make the following corrections: Sec. 39.13 [Corrected]

1.On page 2864, in the third column, in the sixth line from the bottom, remove the word ``should''.

2. On page 2865, the table is corrected to read as follows:

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) that is applicable to CFE Company CFE73811B turbofan engines. This action requires removing certain support assemblies and replacing them with support assemblies that have a new design. This amendment is prompted by a report of the loss of seal retention that resulted in contact between 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 0070 and 0100 series airplanes. This proposal would require revising the Airworthiness Limitations Section of the Instructions for Continued Airworthiness to incorporate life limits for certain items and inspections to detect

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) that is applicable to certain Bombardier Model CL6002B19 series airplanes. This action requires installation of shields for the aileron quadrants in the wheel bay of the main landing gear (MLG). This action is necessary to prevent the accumulation of water, ice, or slush on the aileron

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) that is
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applicable to certain Learjet Model 45 airplanes. This action requires revising the Airplane Flight Manual to provide the flight crew with certain instructions associated with an exterior preflight inspection and ground operations. This amendment is prompted by a report

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document corrects information in an existing airworthiness directive (AD) that applies to certain Boeing Model 727 series airplanes. That AD supersedes an earlier airworthiness directive to require repetitive inspections to detect cracking of the rear spar web or fuel leakage of the wing center section; repair, if necessary; and modification

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 747 and 767 series airplanes, that requires repetitive functional tests of the directional pilot valve (DPV) of the thrust reversers to detect pneumatic leakage, and corrective action, if necessary. This amendment is prompted by a report of a latent

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) for MD Helicopters Inc. (MDHI) Model MD900 helicopters. This action requires visually inspecting the drive shaft to determine the assembly part number
(P/N) and marking the drive shaft assembly P/N and serial number (S/N) on any unmarked drive shaft. This AD also requires creating a

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 767200, 300, and 300F series airplanes. This AD requires either an inspection to detect damage or chafing of the insulation or wires, modification of the cable assembly, and repairs, if necessary; or replacement of the cable assembly of the lower

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment supersedes an existing airworthiness directive (AD) that applies to Schweizer Aircraft Corporation (Schweizer) Model 269A, 269A1, 269B, 269C, 269C1, 269D helicopters. That AD requires inspecting the tail rotor swashplate shaft (shaft) nut for looseness and, if loose, inspecting the shaft for proper size; subsequently inspecting the

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes the adoption of a new airworthiness directive (AD) for Bell Helicopter Textron Canada (BHTC) Model 430 helicopters. This proposal would require modifying the electrical system. This proposal is prompted by the loss of electrical power due to design deficiencies discovered during singlepilot Instrument Flight Rules (IFR)

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes the supersedure of an existing airworthiness directive (AD), applicable to certain Airbus Model A310 and A300600 series airplanes, that currently requires wiring modifications to the engine and auxiliary power unit (APU) fire detection system. This action would require new wiring modifications for the engine and APU fire

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD), applicable to all Dassault Model Falcon 2000, MystereFalcon 900, Falcon 900EX, Fan Jet Falcon, MystereFalcon 50, MystereFalcon 20, MystereFalcon 200, and Falcon 10 series airplanes, that requires repetitive tests and inspections to detect discrepancies of the overwing emergency exit; and

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document proposes the supersedure of an existing airworthiness directive (AD), applicable to certain McDonnell Douglas Model MD11 series airplanes, that currently requires deactivation of the forward and center cargo control units (CCU). That AD was prompted by a report of failure of a CCU, which produced overheating of the electrical pins

DEPARTMENT OF TRANSPORTATION : Treasury Department

This amendment adopts a new airworthiness directive (AD) that is applicable to General Electric Company (GE) Models CF680C2A1/A2/A3/ A5/A5F/A8/D1F turbofan engines. This AD requires initial and repetitive visual inspections of left hand and right hand aft engine mount link assemblies for separations, cracks and spherical bearing race migration.

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This document adopts a new airworthiness directive (AD) that applies to all The New Piper Aircraft, Inc. (Piper) PA42 series airplanes that are equipped with pneumatic deicing boots. This AD requires you to revise the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. This AD is the result

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment adopts a new airworthiness directive (AD) that is applicable to certain Pratt & Whitney (PW) PW4000 turbofan engines with the current design low pressure turbine (LPT) 4th stage air seal installed. This action requires, based on engine model, replacement of the current design seal with a new design seal, or with a modified seal.

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment supersedes an existing airworthiness directive (AD), applicable to all Dornier Model 328100 series airplanes, that currently requires revising the Airplane Flight Manual (AFM) to provide the flightcrew with additional information regarding procedures to ensure complete pressurization of the hydraulic lines for the flaps. This

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration

This amendment supersedes an existing airworthiness directive (AD), applicable to certain Saab Model SAAB SF340A and SAAB 340B series airplanes, that currently requires inspections to detect damage or cracking of the forward and aft attachment lugs of the flap fittings at wing station (WS) 123.38; an inspection to verify that the sizes of the

DEPARTMENT OF TRANSPORTATION : Federal Aviation Administration