As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE FIRE WARNING CAME ON. DISCHARGED BOTH FIRE BOTTLES, FIRE WARNING REMAINED. SHUT ENGINE DOWN. CHECKED FIRE LOOP AT TB802, TERMINALS 3 AND 4, FOUND LOOP TO BE GOOD. VISUALLY INSPECTED FIRE LOOP. NO DEFECTS NOTED, INSPECTED NR 1 FIRE DETECTOR UNIT A2-2-28 AND CONNECTOR ON RELAY R2-299. FOUND ALL TO BE TIGHT AND SECURE. REPLACED FIRE WARNING BELL CUT OFF SWITCH AS PRECAUTIONARY MAINTENANCE. FIREWARNING SYSTEM OPS CHECKED GOOD IAW YS-11 MM. REPLACED FIRE BOTTLES IAW YS-11 MM.