As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE REMOVED DUE TO TURBINE OVERHAUL AND 1750 HOUR INSPECTION. UPON INSPECTION OF COMPRESSOR PARTS, NOTED THE FOLLOWING: STEPWEAR IN EXCESS OF MAINTENANCE MANUAL LIMITS ON SPUR ADAPTER GEARSHAFT FORWARD AND AFT SPLINES. INSTALLED NEW SPUR ADAPTER GEARSHAFT.