As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L ENG FIRE LOOP 2 MESSAGE WILL NOT RESET. FOUND UPPER AFT AND LOWER AFT LOOPS NR 2 BAD. REMOVED AND REPLACED THE NR 1 ENGINE AFT LOWER FIRE DETECTOR IAW AMM 26-11-02. OPS CHECKED GOOD. FAULTING UPPER AFT DETECTOR. REMOVED AND REPLACED AFT UPPER FIRE LOOP NR 1 IAW AMM: 26-11-02. OPS CHECK PERFORMED, NO FAULTS FOUND.