AD 2003-12-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Embraer | EMB-135 and -145 | Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135 and -145 Series Airplanes |
Unsafe Condition
Failure of the GAMAH clamp/sleeve joints on the engine bleed air duct could result in loss of engine bleed air duct support, potentially leading to engine bleed air duct failure.
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Required Actions
Replace the four GAMAH clamp/sleeve joints on the engine bleed air duct with new threaded coupling assemblies. For certain airplanes, replace the two supports for the engine bleed air duct with two new supports having part number 145-35923-015.
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Compliance Time
Before further flight
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Affected Aircraft
EMBRAER Model EMB-135 and -145 series airplanes, with specific serial numbers listed in paragraph 3.G. of the Accomplishment Instructions of the service bulletin.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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