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Wed, Feb 28, 2007

AD: Empresa

AD NUMBER: 2007-04-20
MANUFACTURER: Empresa
SUBJECT: Airworthiness Directive 2007-04-20
SUMMARY: The FAA is adopting a new airworthiness directive (AD) for certain Embraer Model ERJ 170-100 LR, -100 STD, -100 SE, -100 SU, -200 LR, -200 STD, and -200 SU airplanes and Model ERJ190 airplanes.

This AD requires inspecting to determine the part number and serial number of the deployment actuator of the ram air turbine (RAT) and related investigative and corrective actions if necessary.

This AD results from reports that the RAT may not fully deploy due to galling between the piston rod and gland housing of the RAT deployment actuator.

We are issuing this AD to prevent the RAT from failing to deploy, which could result in loss of control of the airplane during in-flight emergencies.

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

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