AD 2005-02-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | JT8D-209 | Airworthiness Directives; Pratt & Whitney JT8D-209, -217, -217A, -217C, and -219 Series Turbofan Engines |
Unsafe Condition
Reports of 194 blade fractures since 1991, with 37 of those blade fractures resulting in LPT case separation, and three reports of uncontained 3rd stage and 4th stage LPT blade failures with cowl penetration, indicate a potential for uncontained blade failure that could result in damage to the airplane.
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Required Actions
Inspect the 3rd stage and 4th stage low pressure turbine (LPT) blades for shroud notch wear at shorter intervals for refurbished blades and the same or longer intervals for new blades. Replace the blade if wear limits are exceeded. Replace LPT-to-exhaust case bolts and nuts with bolts and nuts made of Tinidur material.
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Compliance Time
Before further flight
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Affected Aircraft
Pratt & Whitney JT8D-209, -217, -217A, -217C, and -219 series turbofan engines.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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