AD Amdt-39-11465
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | JT8D-200 Series | Airworthiness Directives; Pratt & Whitney JT8D-200 Series Turbofan Engines |
Unsafe Condition
Fatigue cracks originating at the weld joining the drain boss to the combustion chamber outer case (CCOC), which could result in CCOC cracks and an uncontained engine failure.
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Required Actions
Inspect drain bosses and Ps4 bosses of the CCOC for cracks using FMPI or FPI, and replace with serviceable parts if necessary. Inspect for proper Ps4 and drain boss material on specified CCOCs and replace if necessary. Replace CCOCs with welded-on bosses with improved, one-piece CCOCs. Installation of the one-piece CCOC terminates inspection requirements.
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Compliance Time
Before further flight for on-wing rejections; intervals specified in PW ASB No. A6359, Revision 1, dated July 30, 1999.
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Affected Aircraft
Pratt & Whitney JT8D-209, -217, -217A, -217C, and -219 series turbofan engines with CCOC part numbers 5000238-01, 797707, 807684, and 815830 installed, including those on McDonnell Douglas MD-80 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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