Service Instruction No. 1503

Accessory Drive Gear and Shaft Dowel Replacement

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DATE: December 20, 2000

MODELS AFFECTED

Textron Lycoming VO-435-B1A model engines.

TIME OF COMPLIANCE

At overhaul or whenever the accessory drive gear and shaft assembly P/N 76327 is disassembled.

Any time the accessory drive gear and shaft assembly, P/N 76327, is disassembled, replace the three standard dowels, P/N 76323, connecting the gear and shaft with oversize dowels P/N 76323-P15.

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