As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRE DETECTION LOOP LIGHT ILLUMINATED WITH FIRE HANDLE LIGHT FLICKERING ON NR 1 ENGINE. PERFORMED LOOP TEST PER AOM AND FLIGHT CREW ELECTED TO SECURE NR 1 ENGINE. DECLARED EMERGENCY LANDING BUT LANDING WAS NORMAL AND NO EVACUATION WAS PERFORMED. REPLACED FIRE BOTTLE AND SQUIBB, SPLICED WIRES ON LT PYLON LOOP PER MM 20-50, OPS CHECKED GOOD.