As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE REMOVED DUE TO NOISY TURBINE AND CRACKED EXHAUST COLLECTOR. UPON INSPECTION OF TURBINE PARTS NOTED SULFIDATION ON ALL 1ST STAGE WHEEL BLADES. BLADES TRAILING EDGES WERE BROKEN OFF DUE TO SULFIDATION. SCRAPPED AND REPLACED WITH SERVICEABLE PART.