AD 2014-12-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell | International Inc | Airworthiness Directives; Honeywell International Inc. Turboprop Engines |
Unsafe Condition
Loss of the fuel control drive, leading to engine overspeed, overtorque, overtemperature, uncontained rotor failure, and asymmetric thrust in multi-engine airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the fuel control drives for wear initially and repetitively. Insert certain airplane operating procedures into the applicable flight manuals.
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Compliance Time
Before further flight
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Affected Aircraft
Honeywell International Inc. TPE331-1, -2, -2UA, -3U, -3UW, -5, -5A, -5AB, -5B, -6, -6A, -10, -10AV, -10GP, -10GT, -10P, -10R, -10T, -10U, -10UA, -10UF, -10UG, -10UGR, -10UR, -11U, -12JR, -12UA, -12UAR, and -12UHR turboprop engines with certain Honeywell part numbers (P/Ns) of Woodward fuel control unit (FCU) assemblies installed.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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