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.