As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A MAINTENANCE EVENT, CHANGING THE ENGINE DRIVEN FUEL PUMP, IT WAS DISCOVERED THAT THE ENGINE STARTER DRIVE WAS CRACKED, ONCE REMOVED IT WAS DISCOVERED THE STARTER DRIVE WAS MUCH WORN. THE STARTER DRIVE WAS REPLACED WITH NEW AND THE SYS FUNCTION CHECKED SERVICEABLE. THIS ENGINE ONLY HAS 972.9 HRS TTSO.