Service Instruction No. 1511 A

Inspection of "PID" Stamped Crankshafts

Publications

Supersedes Service Instruction No. 1511

May 26, 2005

MODELS AFFECTED

The following Textron Lycoming four cylinder engines which utilize fixed pitch propellers except those installed in rotary wing aircraft. All 320 series engines; and All 180 horsepower, 360 series engines except the O-360-A4A, -A4D, -A4G, -A4J, -A4K, -A4M, -A4N, -A4P, -C4F, -C4P, and AEIO-360-B4A engine models.

TIME OF COMPLIANCE

At overhaul.

The inspection of “PID” crankshafts is made only after the removal of crankshaft from the engine and the URETHABOND 104 has been machined off.

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