AD Amdt-39-10160
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Various | Airworthiness Directives; AlliedSignal Inc. (Formerly Textron Lycoming) Model T5313B, T5317A, and T53 (Military) Turboshaft Engines |
| aircraft | Aviat | Various | Airworthiness Directives; AlliedSignal Inc. (Formerly Textron Lycoming) Model T5313B, T5317A, and T53 (Military) Turboshaft Engines |
Unsafe Condition
Defective accessory drive carrier assembly could cause an N2 overspeed and an uncontained engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a one-time visual inspection of accessory drive carrier assemblies for affected serial numbers. Replace with a serviceable assembly if the serial number designates a defective assembly.
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
AlliedSignal Inc. (formerly Textron Lycoming) Model T5313B, T5317A, and T53 series military turboshaft engines with affected serial numbers approved under Section 21.25 of the FAR.
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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