As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AIRCRAFT HAD A HISTORY OF THE NR 1 ENGINE A-LOOP FIRE WARNING LIGHT ILLUMINATING IN FLIGHT. TWO A-LOOP CONNECTORS: P1-826 AND P1-827 WERE REPLACED. THE NR 1 ENGINE FIRE DETECTION MODULE WAS REMOVED AND REPLACED IAW MM 26-10-03. AN OPERATIONAL CHECK OF THE NR 1 ENGINE FIRE DETECTION SYSTEM WAS PERFORMED WITH NO DEFECTS NOTED.