Service Bulletin No. 647
Incorrect Markings on Service Tool# ST-310
Publications
Service Bulletin No. 647
Incorrect Markings on Service Tool# ST-310
December 14, 2021
MODELS AFFECTED
Lycoming Engines that have been inspected using the Incorrectly Marked Tool
TIME OF COMPLIANCE
Upon receiving this Service Bulletin
Get It Exchanged
Use our Engine Exchange Program to order a new, rebuilt, or overhauled engine to experience more airtime and less downtime.