AD Amdt-39-11257
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Allison | Engine Company | Airworthiness Directives; Allison Engine Company, Inc AE 2100A and AE 2100C Series Turboprop Engines |
Unsafe Condition
Notches and cracks in the power section (P/S) strut fittings of Allison AE 2100A and AE 2100C series turboprop engines could lead to propeller gearbox (PGB) misalignment, in-flight engine shutdown, and potential loss of the propeller.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the propeller gearbox (PGB) and power section (P/S) strut fittings for notches and cracks. Replace strut fittings if necessary with serviceable parts. Remove and replace strut fittings, then rework them to the latest configuration identified by a new part number (P/N).
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours after the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Allison Engine Company, Inc AE 2100A and AE 2100C series turboprop engines.
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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