As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE RACE OF THIS SPUR ADAPTER GEARSHAFT SUPPORTS THE TWO AND ONE-HALF BEARING. THE TWO AND ONE-HALF BEARING CAGE FAILED SPALLING THE RACE. THIS GEARSHAFT DRIVES THE TURBINE AND COMPRESSOR. THIS IS AN FAA PMA PART MFG BY SUPERIOR PARTS.