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The US FAA proposes new airworthiness directives.

AIRLINE INDUSTRY INFORMATION-(C)1997-2000 M2 COMMUNICATIONS LTD

The US Federal Aviation Administration (FAA) has proposed the adoption of a new air worthiness directive (AD) that is applicable to certain McDonnell Douglas Model MD-90-30 series aircraft.

This AD would require the replacement of certain ground block screws with new ones and the retermination of the circuit ground wires of the electrical power control unit in order to separate grounding points. Comments must be received by 21 January 2000.

The FAA has also released a document proposing the adoption of a new AD that is applicable to certain Airbus Model A319, A320 and A321 series aircraft that would require modification of the forward and aft evacuation slide systems by replacing the Velcro restraints for the support logs with frangible link restraints. Comments are due by 6 January 2000.

A new AD that is applicable to all British Aerospace BAe Model ATP aircraft has been proposed by the FAA. This AD would require a one-time detailed visual inspection of the circuit breakers and the cable terminations of the circuit breaker for the engine de-ice panel to detect incorrect installation or discrepancies such as damage, bending, overheating or discolouration. Comments for regarding this AD are also due on 6 January 2000.

A document proposing the adoption of a new AD applicable to all Boeing Model 727 series aircraft has been released. This AD would require a one-time detailed visual inspection of the fuselage skin and bonded doubler area above the forward entry doorway to detect fatigue cracking or the existence of certain repairs, as well as follow-on action if necessary. The AD would also require a preventative modification or full-sized repair doubler, as applicable. Comments must be received by 21 January.

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Publication:Airline Industry Information
Date:Dec 9, 1999
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