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Wed, Mar 18, 2009

AD: Bell

AD NUMBER: 2009-07-51
MANUFACTURER: Bell
SUBJECT: Airworthiness Directive 2009-07-51
SUMMARY:
This Emergency Airworthiness Directive (AD) is prompted by a Transport Canada AD report of a bearing incorrectly installed in the copilot cyclic control lever assembly.

Investigation revealed that, although the inspection witness marks were applied on the bearing, it had not been staked during manufacture.

This condition, if not detected, could result in failure of a bearing, failure of acyclic control lever assembly, and subsequent loss of control of the helicopter.

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

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