As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR: ATN 229/PKMJ TO KHNL. DURING CRUISE FROM PKMJ NR 4 FIRE WARNING CAME ON, THE CREW SHUTDOWN NUMBER FOUR ENGINE AND DISCHARGED BOTH BOTTLES. THE CREW LANDED IN KHNL WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED NR 4 FIRE WARNING SYSTEM AND FOUND LOW RESISTANCE. MAINTENANCE REPLACED P1-7037 CONNECTOR, AND BOTH FIRE BOTTLES. OPERATIONAL CHECK GOOD IAW MM 26-10-0, 26-21-09. AIRCRAFT WAS RETURNED TO SERVICE. (A)