Service Instruction No. 1037 U

Approved Pistons, Rings, and Cylinders for use on Lycoming Aircraft Engines

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SUBJECT

Approved Pistons, Rings, and Cylinders for use on Lycoming Aircraft Engines

DATE

February 14, 2018

MODELS AFFECTED

All Lycoming opposed series aircraft engines in Table 1 

TIME OF COMPLIANCE

When installing new rings, pistons, valves and cylinders

Get It Exchanged

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