AD 2023-03-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | Canada Corp | Airworthiness Directives; Pratt & Whitney Canada Corp. Turboprop Engines |
Unsafe Condition
Engines failing to achieve required power (torque) during high power applications due to internal leaks in the bleed-off valves (BOVs) caused by glass bead contamination.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the compressor BOV assembly, replace the BOV orifice feed air tube assembly, and install a redesigned P3 probe snorkel, as specified in Transport Canada AD CF-2022-26.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in Transport Canada AD CF-2022-26.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pratt & Whitney Canada Corp. PT6E-67XP model turboprop engines with serial number HP0194 and earlier.
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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