As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - CREW REPORTED DURING CLIMBOUT LOOP-A LEFT ENGINE LIGHT ILLUMINATED, FOLLOWED BY NUMBER 1 ENGINE FIRE HANDLE LIGHT AND BELL. REDUCED NUMBER 1 ENGINE TO IDLE PER QRH PROCEDURE AND LIGHT WENT OUT AFTER APPROXIMATELY 3 SECONDS. EMERGENCY DECLARED FLIGHT RETURNED PHX LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND ANTI-ICE DUCT ON TOP OF LEFT ENGINE BLOWN. REPLACED DUCT. SYSTEM GROUND CHECK NORMAL OPERATION.