AD 90-17-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Embraer - Empresa Brasileira de Aeronautica S.A. | EMB-120 | Airworthiness Directives; EMPRESA BRASILEIRA DE AERONAUTICA, S.A. (EMBRAER) Model EMB-120 Series Airplanes |
| aircraft | Embraer - Empresa Brasileira de Aeronautica S.A. | EMB-120RT | Airworthiness Directives; EMPRESA BRASILEIRA DE AERONAUTICA, S.A. (EMBRAER) Model EMB-120 Series Airplanes |
Unsafe Condition
Engine failure due to propeller overspeed.
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Required Actions
Install a flight idle position electromechanical lockout device in accordance with EMBRAER Service Bulletin Number 120-076-0009, Revision 1 or 2. Alternate compliance may be approved by the Manager, Atlanta Aircraft Certification Office.
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Compliance Time
within 120 days after the effective date of this AD
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Affected Aircraft
EMBRAER Model EMB-120 series airplanes, Serial Numbers 120004 and 120006 through 120177
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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