Lycoming recently released Service Bulletin SB 632 (Identification of Connecting Rods with Non-Conforming Small End Bushings).
The bulletin includes a list of affected engines that were built or repaired at the factory, as well as a list of parts with ship dates from the factory.
Aero Recip has conducted a thorough review of our stock of engines and parts. We have never stocked or sold any engines that are listed in the service bulletin. Likewise, we have not purchased any of the affected stock of Connecting Rod Bushings or Connecting Rod Assemblies listed in Table 2 of the service bulletin.
If you have any further questions or concerns, please call 1-800-561-5544 or email me at firstname.lastname@example.org