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Lycoming Releases SB645 - Connecting Rod Bushing Inspection

Lycoming released this service bulletin on September 24th, 2021 to inspect, remove, and replace connecting rods that could contain bushings that do not meet Lycoming's specifications.  Lycoming recommends that this bulletin be complied with within 10 hours of engine operation. 

A complete list of affected engines can be found in the downloadable service bulletin HERE.

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