As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FLIGHT AT 16,000 FEET THE PILOT RECEIVED AN ENG FIRE WARNING LIGHT T HANDLE INDICATION FOR LT ENG. PERFORMED THE ENG FIRE IN FLIGHT CHECKLIST ITEMS & PERFORMED AN INFLIGHT SHUTDOWN OF LT ENG. PILOT DECLARED AN EMER & LANDED WITHOUT FURTHER INCIDENT. INSPECTION REVEALED NO EVIDENCE OF FIRE, TESTED FIRE DETECTION SYS NO DEFECTS FOUND. COULD NOT DUPLICATE THE DISCREPANCY.