Service Instruction No. 1585

Oil Cooler Bypass Valve Assembly Replacement

Publications
SERVICE INSTRUCTION NO. 1585
DATE:

November 19, 2021

SUBJECT:

Oil Cooler Bypass Valve Assembly Replacement

MODELS AFFECTED:

Lycoming TEO-540-C1A

TIME OF COMPLIANCE:

At next scheduled maintenance event, or earlier at owner’s discretion

Get It Exchanged

Use our Engine Exchange Program to order a new, rebuilt, or overhauled engine to experience more airtime and less downtime.