AD Amdt-39-10133
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | JT8D Series | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
Unsafe Condition
4th stage low pressure turbine (LPT) hub cracking can cause uncontained 4th stage LPT blade release and engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform initial and repetitive fluorescent penetrant and eddy current inspections of 4th stage LPT hubs for cracks. Replace hubs with serviceable parts if cracks are found.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Pratt & Whitney JT8D-1, -1A, -1B, -7, -7A, -7B, -9, -9A, -11, -15, -17, and -17R series turbofan engines.
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
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