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Recommendation issued to: US Federal Aviation Administration

Recommendation details
Output No: R20070022
Date issued: 09 October 2007
Safety action status: Closed - Action Taken
Background: Why this Recommendation was developed

Output text

Safety Recommendation

The Australian Transport Safety Bureau recommends that the US Federal Aviation Administration, as the state of design for Lear Seigler (TRW Lucas) and Aircraft Parts Corporation (GE Unison) type starter-generators, examine the circumstances of electrical discharge damage to the number-1 bearing of Pratt & Whitney Canada PT6A series engines and develop an appropriate safety assurance strategy, to reduce the risk of engine failure resulting from the effects of EDD to the number-1 bearing.

 
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Last update 05 April 2012