As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED THE ENGINE FOR REPAIR DUE TO HIGH OIL TEMPERATURE. DURING INSPECTION OF THE PARTS FOUND THE WELD ON 1 OF THE 5 TURBINE NOZZLE DIAPHRAGM RETAINING KEYS WAS CRACKED THROUGH THE CENTER FOR ALMOST ITS ENTIRE LENGTH. TURBINE TSO 613 HOURS (KES WO NR A03611)