AD 95-10-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney Division | JT8D-11 | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-15 | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-15A | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-17 | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-17A | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-17AR | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-17R | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-9 | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-9A | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
Unsafe Condition
Fracture of the front compressor fan hub can result in an uncontained engine failure and damage to the aircraft.
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Required Actions
Inspect and shotpeen front compressor fan hubs in accordance with PW Alert Service Bulletin A6104, Revision 3. Replace hubs if cracks are found during inspection. Subsequent inspections and shotpeening must be done at specified intervals based on total part cycles and cycles in service.
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Compliance Time
Initial inspections must be completed by the next shop visit or within specified cycles in service (300 to 1,500 CIS) after the effective date (July 21, 1995), whichever occurs first. Compliance end-date is December 31, 1999, or 6000 total part cycles after the effective date.
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Affected Aircraft
Pratt & Whitney JT8D-9, -9A, -11, -15, -15A, -17, -17A, -17R, and -17AR engines with specific front compressor fan hub part numbers and serial ranges. Installed on Boeing 727 and 737 series, and McDonnell Douglas DC-9 series aircraft.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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