AD 2018-13-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | Division | Airworthiness Directives; Pratt & Whitney Division Turbofan Engines |
Unsafe Condition
multiple cracked 4th stage low-pressure turbine (LPT) air seals in the fleet
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
remove from service of certain 4th stage LPT air seals, replace with a part eligible for installation
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
the next time the 4th stage LPT vanes are removed from the LPT module
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
all Pratt & Whitney Division (PW) PW4052, PW4056, PW4060, PW4062, PW4062A, PW4152, PW4156A, PW4158, PW4460, and PW4462 turbofan engine models, including engines identified with suffixes -1C, -1E, -3, -3A, or -3B
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
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