As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE FIRE DETECTOR LOOP B-LIGHT ILLUMINATED ON SHORT FINAL. FLIGHT CREW DECLARED AN EMERGENCY AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE CHECKED ENGINE DUCTS FOR LEAKS AND CHECKED AND CLEANED ENGINE FIRE LOOPS. NO PROBLEMS WERE FOUND, AIRCRAFT RETURNED TO SERVICE.