PT6A SAIB NE-12-04 premature failure of the reduction gearbox

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AskBob
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PT6A SAIB NE-12-04 premature failure of the reduction gearbox

 

This Special Airworthiness Information Bulletin (SAIB) alerts owners, operators, and certificated repair facilities of airplanes equipped with Pratt & Whitney Canada Corp. (PWC) PT6A-6, PT6A-6A, PT6A-6B, PT6A-11, PT6A-11AG, PT6A-6/C20, PT6A-20, PT6A-20A, PT6A-20B, PT6A-21, PT6A-15AG, PT6A-25, PT6A-25A, PT6A-25C, PT6A-27, PT6A-28, PT6A-34, PT6A-34AG, PT6A-34B, PT6A-35, PT6A-36, PT6A-110, PT6A-112, PT6A-114, PT6A-114A, PT6A-121, PT6A-135, and PT6A-135A series turboprop engines of the potential for engine in-flight shutdowns (IFSDs) as a result of premature failure of the reduction gearbox.

SAIB Attached

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