As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE REMOVED DUE TO BROKEN STUD ON TURBINE MOUNT PAD. TURBINE DISASSEMBLED DUE TO HIGH VIBRATION ON TEST CELL. DISASSEMBLY INSPECTION REVEALED: CRACKED BEYOND SERVICEABLE LIMITS ON #1 NOZZLE VANES. INSTALLED A DALLAS AIRMOTIVE OVERHAULED #1 NOZZLE.