AD 2000-13-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Embraer | EMB-135 and EMB-145 | Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135 and EMB-145 Series Airplanes |
Unsafe Condition
Activation of the precooler differential pressure switches may cause incorrect operation, resulting in inappropriate automatic shutoff of the engine bleed valve. This could lead to inability to restart a failed engine using cross-bleed from the other engine or possible failure of the anti-ice system.
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Required Actions
Revise the Airplane Flight Manual (AFM) to prohibit departure without the APU operating and single-bleed operation in icing conditions. Revise the Abnormal Procedures section of the AFM to replace existing 'Engine Airstart' instructions with revised procedures for restarting an engine using the APU. Disconnect the electrical connector from the precooler differential pressure switches in the left and right engine pylons as specified in EMBRAER Alert Service Bulletin No. 145-36-A018.
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Compliance Time
Within 100 flight hours after the effective date of the AD.
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Affected Aircraft
EMBRAER Model EMB-135 and EMB-145 series airplanes on which EMBRAER Service Bulletin No. 145-36-0017 or the production equivalent has been accomplished.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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