AD 2005-21-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | JT8D-200 Series | Airworthiness Directives; Pratt & Whitney JT8D-200 Series Turbofan Engines |
Unsafe Condition
Uncontained high pressure turbine (HPT) shaft failures resulting from oil fires within the No. 4 and 5 bearing compartment, leading to HPT shaft fractures through the No. 4\1/2\ oil return holes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install two part number (P/N) 810486 temperature indicators on all Pratt & Whitney JT8D-200 series turbofan engines, including those with HPT containment hardware. Periodically inspect the temperature indicators and perform any necessary corrective action. Allow a ground diagnostic test before further flight if both temperature indicators are missing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12 months of the effective date (November 21, 2005).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pratt & Whitney JT8D-200 series turbofan engines, including those incorporating high pressure turbine (HPT) containment hardware.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.