SAIB Follows Multiple Reports Of Damage To Crankshafts
The FAA has issued a Special Airworthiness Information Bulletin (SAIB) following reports from the field of fractured crankshaft gear retaining screws on certain Continental Motors, Inc. (CMI) IO-520 series, TSIO-520 series, IO- 550 series, TSIO-550 series, and TSIOL-550 series reciprocating engines (operating with AVGAS), which were determined to be related to engine kickback events.