As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT THE NR 3 ENGINE FIRE DETECTION WARNING LIGHT ILLUMINATED. UPON LANDING, THE LIGHT FLICKERED AND REMAINED ON. TROUBLESHOT IAW MM 26-11-000-1 FOUND CONNECTOR TO THE RESPONDER IN THE FWD SECTION LOOSE. INSPECTED CONNECTOR AND ALL OTHER COMPONENTS IN THE SYSTEM. TIGHTENED, REINSTALLED CONNECTOR AND OPS CHECK SYS, ALL TEST NORM IAW MM 26-11-000- 5, NO HISTORY 90 DAYS.