AD Amdt-39-14791
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | JT8D-1 | Airworthiness Directives; Pratt & Whitney JT8D-1, -1A, -1B, -7, -7A, -7B, -9, -9A, -11, -15, -15A, -17, -17A, -17R, -17AR, -209, -217, -217A, -217C, and -219 Turbofan Engines |
Unsafe Condition
Rupture of an HPC front hub or an HPC disk that could result in an uncontained engine failure and damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace HPC front hubs and HPC disks that have operated with PWA 110-21 coating and operated in certain engine models, or visually inspect and FMPI for cracking of those parts, and re-plate them if they pass inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in Table 5 of the AD, which has been relaxed for certain conditions.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pratt & Whitney JT8D-1, -1A, -1B, -7, -7A, -7B, -9, -9A, -11, -15, -15A, -17, -17A, -17R, -17AR, -209, -217, -217A, -217C, and -219 turbofan engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.