As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE OPERATOR INCURRED A STARTER ADAPTER FAILURE THAT CONTAMINATED THE ENGINE. DISASSEMBLY OF THE ENGINE REVEALED THAT BEARING, PN 537721, HAD FAILED FIRST CAUSING THE STARTER ADAPTER TO BIND AS IT ROTATED WHICH CAUSED IT TO FAIL. THE ADAPTER HAD BEEN REMOVED AND REINSTALLED PRIOR TO THIS FAILURE TO C/W SB. DURING INSTALLATION OF THE STARTER ADAPTER, THE BEARING WAS PROBABLY DAMAGED CAUSING THE CHAIN OF EVENTS TO OCCUR.