AD 74-18-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell International Inc. | TFE731-2 | AIRESEARCH MANUFACTURING COMPANY OF ARIZONA Model TFE731-2-1C and TFE731-2-2B Engines |
Unsafe Condition
The fuel control computer, part number 949572-5, may have internal defects that could result in engine failure.
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Required Actions
Inspect the fuel control computer internally in accordance with AiResearch campaign wire TFE731-A76-3005 or FAA-approved revisions. Equivalent procedures may be approved by the Chief, Aircraft Engineering Division, FAA Western Region, with adequate substantiation data.
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Compliance Time
Before further flight
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Affected Aircraft
AiResearch Model TFE731-2-1C and TFE731-2-2B engines installed in Lear-Gates Learjet model 35/36 and AMD Falcon 10 aircraft
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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