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Wed, Feb 02, 2005

AD: McDonnell Douglas

AD NUMBER: 2005-02-06
MANUFACTURER:
McDonnell Douglas
SUBJECT: Airworthiness Directive 2005-02-06
SUMMARY: The FAA is adopting a new airworthiness directive (AD) for certain McDonnell Douglas Model MD-11 and MD-11F airplanes equipped with Pratt & Whitney PW4000 series engines. This AD requires, for each engine, replacing, with a tube assembly, the existing hose assembly that connects the oil pressure transmitter to the main oil circuit. This AD is prompted by a report indicating that, for each engine, the existing hose assembly does not meet zero-flow fireproof capability requirements. We are issuing this AD to prevent, if there is an engine fire, failure of the oil pressure indicator and the low-oil pressure warning, which could result in an unannounced shutdown of that engine; and oil leakage, which may feed the engine fire.

FMI: www.avantext.com/DailyADIndex.ASP?AD=20050206

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