Field reports of fractured crankshaft gear retaining screws on Continental Motors Inc. IO-520, TSIO-520, IO-550, TSIO-550, and TSIOL-550-series reciprocating engines have prompted the FAA to issue a special airworthiness information bulletin (SAIB) alerting operators to the problem of engine “kickback” and how to inspect for resulting damage.
Via:: AOPA
Tags: AOPA