Hastelloy

September 13, 2006 - 2:58pm

The FAA has issued a Special Airworthiness Information Bulletin (SAIB) to advise owners, operators and repair stations of aircraft equipped with the Rolls-Royce (formerly Allison) 250-C30, -C40 and -C47 series engines that a recent suspected unapproved parts investigation revealed that some combustion liners might have been modified with an unapproved metal alloy.

 
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