As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE PRODUCING LOW POWER. INSPECTED 2ND STAGE TURBINE NOZZLE. FOUND TURBINE WHEEL SHROUD FLAKING AND SEPARATING CAUSING EXCESSIVE TURBINE WHEEL TIP CLEARANCE. FOUND OUTER BAND CRACKED RADIALLY CAUSING GAS PATH LEAKAGE. THIS PART SHOULD MAKE 1,750 HRS AT LEAST. THIS, ALONG WITH NR 2 TURBINE WHEEL EROSION, CAUSED HIGH N1, HIGH TEMPERATURE, AND LOW POWER.