AD 93-02-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 400A | BEECH AIRCRAFT CORPORATION Model 400A Airplanes |
Unsafe Condition
The unsafe condition involves potential loss of standby power and possibility of an electrical fire due to issues with the left-hand interstage turbine temperature (LH ITT) circuit breaker wiring.
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Required Actions
Inspect the LH ITT circuit breaker wiring within 100 hours time-in-service after the AD's effective date per Service Bulletin No. 2458. Correct discrepancies before further flight as per the service bulletin. Alternative compliance methods may be approved by the FAA.
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Compliance Time
Within 100 hours time-in-service after the effective date of this AD
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Affected Aircraft
Beech Aircraft Corporation Model 400A airplanes with serial numbers RK-2 through RK-29, inclusive, RK-31, and RK-32, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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