DATE: August 4, 2017 MODELS AFFECTED: (1) Engines with a serial number listed in Table 1 of this Service Bulletin (2) Engines that have been overhauled or repaired that could contain connecting rod assemblies or connecting rod bushings shipped from Lycoming during dates identified in Table 2 of this Service Bulletin TIME OF COMPLIANCE: Within the next 10 hours of engine operation REASON FOR...

DATE: May 7, 2015 REASON FOR SUPPLEMENT Additional affected engines in Tables C and D. Added Table E in the attached bulletin. You must have a released copy of Service Bulletin No. SB-608 for reference as you review this supplement. If you have complied with Service Bulletin No. SB-608 and do not have any fuel pumps in Tables C or D in this Supplement No. 1 to Service Bulletin No. SB-608, no...