As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE REMOVED FOR PT WHEEL REPLACEMENT. DURING DISASSEMBLY, SPUR GEAR PLAY FOUND EXCESSIVE. GEARBOX DISASSEMBLED AND SPUR GEAR ASSY REMOVED. THE NR 19 BEARING HAD BEEN SPINNING IN ITS BORE, WEARING AND ELONGATING BORE. SUBMITTER RECOMMENDS PINNING OR SECURING BEARING OUTER RACE IN CASE.