As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT PILOT REPORTED THAT THAT THE LEFT MASTER WARNING ON AND LEFT FIRE PULL HANDLE WAS ILLUMINATED. AIRCRAFT LANDED SAFELY AND WAS INSPECTED BY MAINTENANCE AND IT WAS DETERMINED THAT LEFT ENGINE AFT FIRE LOOP WAS FOUND TO BE DEFECTIVE. FIRE LOOP REPLACED AND SYSTEM CHECKED GOOD.