AD 2021-22-19
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | Turbofan | Airworthiness Directives; Pratt & Whitney Turbofan Engines |
Unsafe Condition
Fracture of the low-pressure turbine (LPT) blade and uncontained release of the LPT blade.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect 3rd-stage and 4th-stage LPT blades for shroud notch wear at revised inspection thresholds and intervals. Replace 3rd-stage and 4th-stage LPT blades before accumulating 5,000 hours time-in-service. Replace the LPT-to-exhaust case bolts and nuts and install the crushable sleeve spacers.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before accumulating 5,000 hours time-in-service
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Affected Aircraft
Pratt & Whitney (P&W) JT8D-209, JT8D-217, JT8D-217A, JT8D-217C, and JT8D-219 model 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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