AD 2019-22-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | Canada Corp | Airworthiness Directives; Pratt & Whitney Canada Corp. Turboshaft Engines |
Unsafe Condition
Reports of incorrect engine torque for PT6B-37A turboshaft engines due to axial migration of the #9 and #10 bearings at the engine torque sensing gear location.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove from service and replace the No. 9 and No. 10 position bearings with new bearings that effectively address the axial movement issue.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pratt & Whitney Canada Corp. PT6B-37A turboshaft engines installed on AW119MKII helicopters.
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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