AD Amdt-39-10311
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Embraer | EMB-120 | Airworthiness Directives; Empresa Brasileira de Aeronautica, S.A. (EMBRAER), Model EMB-120 Series Airplanes |
Unsafe Condition
Generator overload conditions that could result in loss of electrical power and failure of certain flight and landing control systems, and power interruption to the attitude heading reference system (AHRS) that could result in the display of erroneous heading information.
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Required Actions
Deactivate certain circuit breakers, revise the Airplane Flight Manual (AFM) to provide operational procedures to prevent loss of electrical power following an engine flameout, and modify the electrical system to terminate the AFM revision requirement and allow reactivation of the circuit breakers.
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Compliance Time
Before further flight
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Affected Aircraft
Empresa Brasileira de Aeronautica, S.A. (EMBRAER) Model EMB-120 series airplanes subject to the mandatory continued airworthiness information by a foreign civil airworthiness authority.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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