As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STARTER DRIVE GEAR WEAR UNACCEPTABLE IAW TELEDYNE CONTINENTAL CSB 94-4 EVEN THOUGH THE SERVICE KIT REQUIRED BY TCM CSB 94-4 HAD BEEN PREVIOUSLY INSTALLED AT ENGINE OVERHAUL. SUBMITTER SUGGESTED CSB 94-4 MAY NOT BE SUFFICIENT. RECOMMENDED FLEET DATA BE EXAMINATED TO DETERMINE NUMBER AND FREQUENCY OF OCCURRENCES.