As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT FIRE WARNING OCCURRED ON NR 3 ENGINE. ENGINE FIRE DRILL COMPLETED. A/C LANDED WITHOUT INCIDENT. CORRECT ACTION IAW FIM 26-11-00 REG 112. FOUND CORRODED CONNECTOR. FALSE FIRE WARNING, REMOVED AND REPLACED CONNECTOR IAW SRM 20-24-06. OPS CHECK NORMAL. A/C RETURNED TO SERVICE. (M)