As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE WAS REMOVED FROM SERVICE DUE TO LOST POWER, LOW SPEED AND TURBINE DAMAGE. THE ENGINE WAS DISASSEMBLED TO DETERMINE CAUSE OF THE TURBINE DAMAGE. ONE T4 BLADE HAD FRACTURED IN HIGH CYCLE FATIGUE CAUSING MASSIVE TURBINE DAMAGE. THE FAILURE IS STILL UNDER INVESTIGATION AT GREENWICH, TX.