AD Amdt-39-10311

final rule
Data completeness: 70%

Airworthiness Directives; Empresa Brasileira de Aeronautica, S.A. (EMBRAER), Model EMB-120 Series Airplanes

AD Number
Amdt-39-10311
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 97-NM-231-AD
FR Citation
63 FR 6842

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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