As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE MENTIONED PART WAS SEND AS PIECE PART FROM THE CUSTOMER (DELTA) TO MTU BB FOR OVERHAUL. DURING THE INCOMING INSPECTION OF THE COMPONENT AN UNUSUAL FINDING WAS DETECTED IN THE AREA OF THE FIR-TREE PRESSURE FACE,- DEPOSITED MATERIAL/METAL EXHIBITING A MELTED OR FUSED APPEARANCE. THEREFOR THE PART IS UNSERVICEABLE & UNREPAIRABLE AND WAS PUT ONHOLD.