Aviation safety issues and actions
Recommendation issued to: US Federal Aviation Administration
|Date issued:||09 October 2007|
|Safety action status:||Closed - Action Taken|
|Background:||Why this Recommendation was developed|
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.