Service Bulletin No. 544 B
Bearing Replacement Part Identitfication
Supersedes Service Bulletin No. 544A
October 6, 2006
All Lycoming TIO-540-AE2A aircraft engines.
TIME OF COMPLIANCE
At overhaul or any time main or connecting rod bearings are replaced.
Although various bearings may fit different engines interchangeably, there are differences in material and construction that restrict the use of specific bearings to specific engine models.
Get It Exchanged
Use our Engine Exchange Program to order a new, rebuilt, or overhauled engine to experience more airtime and less downtime.