AD 2005-02-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | McDonnell Douglas | MD-11 and MD-11F | Airworthiness Directives; McDonnell Douglas Model MD-11 and MD-11F Airplanes Equipped With Pratt & Whitney PW4000 Series Engines |
| engine | Pratt & Whitney | PW4000 Series | Airworthiness Directives; McDonnell Douglas Model MD-11 and MD-11F Airplanes Equipped With Pratt & Whitney PW4000 Series Engines |
Unsafe Condition
The existing hose assembly that connects the oil pressure transmitter to the main oil circuit does not meet zero-flow fireproof capability requirements.
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Required Actions
Replace the existing hose assembly (P/N 113286) with a tube assembly (P/N 221-5318-501) for each engine, following the Accomplishment Instructions of Boeing Alert Service Bulletin MD11-79A008.
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Compliance Time
Within 18 months after the effective date of this AD.
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Affected Aircraft
McDonnell Douglas Model MD-11 and MD-11F airplanes, certificated in any category, equipped with Pratt & Whitney PW4000 series engines, as listed in Boeing Alert Service Bulletin MD11-79A008, dated December 11, 2001.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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