As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN CLIMB-OUT OF BOG, RECEIVED FIRE WARNING ON NR 1 ENGINE. SHUT DOWN ENGINE, RETURNED TO BOG AND LANDED WITHOUT INCIDENT. INSPECTION REVEALED GROUND WIRE BROKEN AT SENSOR ON LEFT AFT DOOR. REPAIRED GROUND WIRE TO SENSOR. SYSTEM CHECKED NORMAL. AIRCRAFT RETURNED TO SERVICE.