AD Amdt-39-10327
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Garrett | Engine Division | Airworthiness Directives; AlliedSignal Inc. TPE331 Series Turboprop and TSE331 Turboshaft Engines |
Unsafe Condition
Third stage turbine wheel separation due to thermal fatigue cracking and shifting of the third stage turbine stator, which could contact the third stage turbine wheel and result in an uncontained engine failure and damage to the aircraft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace or radiographically inspect, and replace if necessary, certain third stage turbine stators with serviceable parts.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
AlliedSignal Inc. TPE331 series turboprop and TSE331 turboshaft engines (formerly Garrett Engine Division, Garrett Turbine Engine Company and AiResearch Manufacturing Company of Arizona)
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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