AD 2010-14-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Embraer | ERJ 170 | Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model ERJ 170 and ERJ 190 Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model ERJ 170 and ERJ 190 Airplanes |
Unsafe Condition
Engine in-flight shutdown caused by LPCV failing to close due to excessive wear or cracks from low cycle fatigue, potentially leading to dual engine shutdown.
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Required Actions
Replace low-stage check valves and associated seals on both engines with new or serviceable valves. For certain airplanes, revise the approved maintenance plan to include repetitive functional tests of the low-stage check valve if a terminating action is done. For other airplanes, replace a specific low-stage check valve with an improved version.
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Compliance Time
Within 6 work hours per product.
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Affected Aircraft
EMBRAER Model ERJ 170 and ERJ 190 airplanes, including specific variants like ERJ 170-100 LR, -100 STD, -100 SE, -100 SU, -200 LR, -200 STD, and -200 SU.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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