Small End Connecting Rod Bushing Inspection - Lycoming Service Bulletin SB-645
I just want to make sure I'm not missing something on this SB. My Archer II's engine is not on the list. However, the form at the end of the service bulletin asks for TSO which raised the following question:
The bulletin seems to indicate that a bushing in the connecting rods that does not meet Lycoming's spec was installed in engines with those particular serial numbers. Did the manufacturer of those connecting rods sell them (or the out of spec bushing) to shops and A&Ps who have overhauled the same model engine - for example, the O-360-A4M engine in my Archer - that is now a potential issue?