AD 2003-16-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | Canada PW206A and PW206E | Airworthiness Directives; Pratt & Whitney Canada PW206A and PW206E Turboshaft Engines |
Unsafe Condition
Reports of engine shutdowns and emergency landings due to severe vibration and drops in engine torque, and an increase in internal engine temperature, triggering in-flight engine fire warnings.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform initial and repetitive borescope inspections of compressor turbine blades and power turbine blades for blade axial shift within the turbine disks. Replace blade retaining rivets, the No. 3 bearing rotor air seal, and the No. 4 bearing front rotor air seal as mandatory terminating action for the repetitive borescope inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 25 flight hours accumulated or 30 days after the effective date of this AD, whichever occurs earlier.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pratt & Whitney Canada PW206A and PW206E turboshaft engines installed on, but not limited to, MD Helicopters Inc. Model MD-900 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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.