AD 2006-15-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell | International Inc | Airworthiness Directives; Honeywell International Inc. TPE331 Series 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.
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Required Actions
Initial and repetitive dimensional inspections of the fuel control drive for wear or damage. Replace or repair fuel pump assemblies and FCU assemblies if dimensional inspections fail. Install modified FCU assemblies for multi-engine airplanes.
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Compliance Time
Within 12 months of effective date.
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Affected Aircraft
Honeywell International Inc. TPE331 series turboprop engines with certain part numbers 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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