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FAA proposes new airworthiness directives.

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

The US Federal Aviation Administration (FAA) has adopted a new airworthiness directive (AD) that is applicable to certain Boeing Model 747-100 and -200 series aircraft. This AD requires repetitive inspections of the upper and lower chords of the wing front spar for cracks and corrective action if necessary. If no cracking is found, the AD also provides an optional terminating action in lieu of repetitive inspections. This AD is effective 12 March.

A new AD applicable to certain Airbus Model A300 series aircraft has been adopted by the FAA. This AD requires either a one-time ultrasonic inspection or repetitive visual inspection and eventual ultrasonic inspection of the longitudinal skin splice above the mid-passenger door panels to detect cracking, and corrective action if necessary. This AD is effective 22 February 2000.

An amendment superseding an existing AD that is applicable to certain Airbus Model A300, A300-600 and A310 series aircraft equipped with a welded auxiliary power unit fuel feedline adapter. The existing AD currently requires repetitive dye penetrant inspection to detect cracks, rupture or fuel leaks of the fuel feedline adapter and replacement of the adapter if necessary, as well as providing for an optional terminating action for the repetitive inspections. This amendment requires that the previously optional termination action is accomplished. The AD is effective 13 March 2000.

A new AD applicable to certain Raytheon Model Hawker 800 and 1000 aircraft and Model DH125, HS125, BH125, and BAe125 series aircraft has been adopted by the FAA. This AD requires replacement of cadmium-plated fittings and cone caps in the oxygen system plumbing with improved fittings and cone caps, a detailed inspection of the oxygen system plumbing in the area of the replaced parts and corrective actions if necessary. This AD is effective 13 March 2000 also.

The FAA has adopted a new AD that is applicable to certain Boeing Model 747 series aircraft that requires a one-time visual inspection to determine whether latch pins on the lower lobe and main deck side cargo doors are installed backward, and corrective actions if necessary. The AD also requires the eventual modification of the latch pin fittings on certain cargo doors and is effective 13 March 2000.

Also effective on the above date is an AD applicable to all Bombardier Model Cl-600-2B19 (regional Jet Series 100) series aircraft. this AD requires a revision of the Airplane Flight Manual to provide the flight crew with modified procedures and limitations for operating in icing conditions.

An AD that is applicable to certain Boeing Model 747-400 aircraft has been adopted by the FAA that requires various inspections and functional tests to detect discrepancies of the thrust reverser control and indication system, and the correction of any discrepancy found. This AD is effective 13 March 2000.

Finally, the FAA has released an amendment that supersedes an existing AD that is applicable to certain Airbus Model A319, A320 and A321 series aircraft. This AD currently requires the relocation of the engine/master 1 relay from relay box 103VU to shelf 95VU in the avionics bay. This AD continues to require the relocation using new electrical contacts and for certain aircraft, adds a requirement to replace certain contacts installed in shelf 95VU during relocation of the relay with new contact. This AD is effective 13 March 2000.

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Title Annotation:Federal Aviation Administration
Comment:FAA proposes new airworthiness directives.(Federal Aviation Administration)
Publication:Airline Industry Information
Article Type:Brief Article
Geographic Code:1USA
Date:Feb 9, 2000
Words:567
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