Service Instruction No. 1583

Front Expansion Plug Replacement

Publications
SERVICE INSTRUCTION NO. 1583
DATE:

May 18, 2022

SUBJECT:

Front Expansion Plug Replacement

MODELS AFFECTED:

All Lycoming opposed series engines using a front expansion plug

TIME OF COMPLIANCE:

As necessary when front expansion plug replacement is required

Get It Exchanged

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