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Tue, Oct 18, 2005

AD: Pratt & Whitney

AD NUMBER: 2005-21-01
MANUFACTURER: Pratt & Whitney
SUBJECT: Airworthiness Directive 2005-21-01
SUMMARY: This amendment supersedes an existing airworthiness directive (AD) that applies to Pratt &Whitney (PW) JT8D-200 series turbofan engines. That AD currently requires installing and periodically inspecting individual or sets of certain part number (P/N) temperature indicators onthe No. 4 and 5 bearing compartment scavenge oil tube and performance of any necessary corrective action. This AD requires installing and periodically inspecting two temperature indicators on all PW JT8D-200 series turbofan engines, including those incorporating high pressure turbine (HPT) containment hardware. This AD results from five uncontained HPT shaft failures. We are issuing this AD to prevent oil fires and the resulting fracture of the HPT shaft which can result in uncontained release of engine fragments; engine fire; inflight engine shutdown; and possible airplane damage.

FMI: www.avantext.com/DailyADIndex.ASP?AD=20052101

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