As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MEM INFLIGHT T1227/07AUG BNA TO DFW - CREW REPORTED NUMBER ONE ENGINE VIBRATIONS AND ENGINE GAS TEMPERATURE INTO RED. REDUCED ENGINE TO IDLE AND LANDED MEM WITHOUT INCIDENT. FOUND NUMBER ONE ENGINE SUSTAINED HEAT DAMAGE. REPLACED NR 1 ENGINE ON 07 AUG AT MEM. SYSTEM GROUND CHECKED NORMAL OPERATION.