As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT RETURNED TO DFW ON ACCOUNT OF ENGINE OVERHEAT INDICATION. EMERGENCY WAS DECLARED. MAINTENANCE ACCOMPLISHED FIM 26-10-00-810-811. NO FAULTS FOUND. RAN ENGINE TO TAKE-OFF POWER. NO FAULTS. ACCOMPLISHED ENG/APU FIRE DETECTION CONTROL MODULE BITE IAW FIM 26-10-00. NO FAULTS. #2 ENGINE FIRE DETECTION CHECKS OK IAW AMM 26-11-00.