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Tue, Nov 30, 2004

AD: McDonnell Douglas

AD NUMBER: 2004-23-21
MANUFACTURER: McDonnell Douglas
SUBJECT: Airworthiness Directive 2004-23-21
SUMMARY: This amendment adopts a new airworthiness directive (AD), applicable to certain McDonnell Douglas Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), and DC-9-87 (MD-87) airplanes; and Model MD-88 airplanes. This amendment requires a general visual inspection for chafing of the power feeder cables of the auxiliary power unit (APU), and repair if necessary. This amendment also requires replacement of a support bracket located on the left side of the lowercargo compartment with a new "U" shaped bracket. This action is necessary to prevent chafing of the power feeder cables of the APU, which could result in electrical arcing to adjacent structure and consequent fire in the airplane. This action is intended to address the identified unsafe condition.

FMI: www.avantext.com/DailyADIndex.ASP?AD=20042321

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