AD 2023-03-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | Canada Corp | Airworthiness Directives; Pratt & Whitney Canada Corp. Turbofan Engines |
Unsafe Condition
Crack originating from machining marks on the back face of the impeller, propagating until the impeller fractures, leading to uncontained failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a borescope fluorescent penetrant inspection (FPI) of the rear face of certain impellers for evidence of machining witness lines. Replace the impeller if unacceptable machining witness lines or crack indications are found, as specified in Transport Canada AD CF-2022-27.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next hot section inspection until the impeller is replaced at the next scheduled engine overhaul.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pratt & Whitney Canada Corp. JT15D-1, JT15D-1A, and JT15D-1B model turbofan engines, as identified in Transport Canada AD CF-2022-27.
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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