Service Instruction No. 1575 A

New Connecting Rod Bushing

Publications
DATE

February 10, 2026

SUBJECT

New Connecting Rod Bushing

MODELS AFFECTED

All Lycoming Engine Models

TIME OF COMPLIANCE

As Required

REASON FOR REVISION

Updated Figure 1 to show the notch and split in the connecting rod bushing. Revised the first paragraph. Deleted NOTICE that referenced previous part number. Referenced bushing split in Step F.

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