As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN)LOW PRESSURE TURBINE BLADES FOUND DAMAGED DURING GROUND SERVICING. 4 LP BLADES POST SB 20465 FRACTURED APPROXIMATELY 0.5 INCH FROM THE TIP. MICRO ANALYSIS INDICATED MATERIAL PROPERTY DEGRADATION TYPIC AL OF OVERTEMPERATURE ALTHOUGH CONTINUOUS ENGINE MONITORING OF THE ENGINE PARAMETERS BY THE OPERATOR SHOWS "NO" OVERTEMP EVENTS.