As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FINAL APPROACH, THE NR 2 ENGINE FIRE WARNING ILLUMINATED FOR APPROXIMATELY THREE SECONDS AND THEN EXTINGUISHED. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE NR 2 FIRE HANDLE WAS REPLACED, OPS CHECKED GOOD, AND THE AIRCRAFT WAS RETURNED TO SERVICE.