AD 2000-20-05
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
The landing gear doors may become blocked from opening during application of emergency procedures in the event of a loss of hydraulics.
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Required Actions
Revise the Airplane Flight Manual (AFM) by inserting a copy of EMB-120 AFM 120/794, Revision 45, dated October 14, 1996. Visually inspect the check valve flow direction if the check valve is already installed. Install hydraulic tube assemblies incorporating a check valve if not already installed.
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Compliance Time
Within 10 flight hours for AFM revision, within 100 flight hours for check valve inspection, and within 2,000 flight hours for installation of hydraulic tube assemblies.
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Affected Aircraft
EMBRAER Model EMB-120 series airplanes as listed in EMBRAER Service Bulletin 120-32-0077, Change 02, dated December 23, 1997, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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