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Fri, Aug 10, 2007

AD: Embraer

AD NUMBER: 2007-16-09
MANUFACTURER: Empresa
SUBJECT: Airworthiness Directive 2007-16-09
SUMMARY: The FAA is superseding an existing airworthiness directive (AD), which applies to all EMBRAER Model ERJ 170-100 LR, -100 STD, -100 SE, and -100 SU airplanes.

That AD currently requires repetitively replacing the low-stage check valve and associated seals of the right -hand engine bleed system. This new AD adds new airplanes to that existing requirement.

For all airplanes, this AD also requires repetitively replacing the low-stage check valve and associated seals of the left hand engine bleed system with a new check valve and new seals.

This AD results from a report that an engine shut down during flight due to the failure of the low-stage check valve to close.

We are issuing this AD to prevent failure of the low-stage check valve, which could result in an engine shutting down during flight.

FMI: www.faa.gov/regulations_policies/airworthiness_directives/

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