As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, NR 2 ENGINE FIRE WARNING AND BELL INTERMITTENT FOR 1-2 SECONDS. THE CREW RAN CHECK LIST AND SHUT DOWN NR (2) ENGINE. THE FIRE BELL STOPPED AFTER FIRE HANDLE WAS MOVED TO FULL FWD POSITION. THE FIRE BOTTLES WERE NOT DISCHARGED. THE CREW LANDED WITHOUT INCIDENT. C/A: IN WORK. (K)