As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPROXIMATELY 20 MILES FROM JAX THE ENGINE FIRE WARNING LIGHT ILLUMINATED AND THE HORN SOUNDED. THE PILOT COMPLETED THE EMERGENCY CHECK LIST AND THEN DECLARED AN EMERGENCY WITH ATC. THE AIRCRAFT LANDED WITH ON OTHER PROBLEMS. AFTER TROUBLESHOOTING THE SYSTEM THE MECHANIC REMOVED AND REPLACED A CONTROL BOX AND A FIRE LOOP. THE AIRCRAFT WAS RETURNED TO SERVICE.