As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE TO SEOUL, KOREA, FLIGHT CREW REPORTED A FIRE WARNING ON NR 4 ENGINE. ENGINE SHUT DOWN USING ENGINE FIRE CHECKLIST. CREW DECLARED AN EMERGENCY AND LANDED AT PUSAN WITHOUT INCIDENT. BOTH FIRE BOTTLES DISCHARGED. CREW REPORTED NR 2 FIRE BOTTLE DISCHARGED AFTER NUMEROUS ATTEMPTS. MAINTENANCE FOUND EVIDENCE OF A FIRE IN AREA OF FUEL CONTROL UNIT. ENGINE REMOVED FOR REPAIRS. BOTH FIRE BOTTLES REPLACED AND FUNCTIONAL CHECK NORMAL. AIRCRAFT RELEASED FOR SERVICE.