As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INITIAL CLIMB, THE NR 3 ENGINE B-LOOP LIGHT ILLUMINATED. CREW FOLLOWED COM PROCEDURE AND CONTINUED FLIGHT AS SCHEDULED. ON FINAL APPROACH, THE NR 3 ENGINE FIRE WARNING INDICATION ILLUMINATED AGAIN. CREW SHUT THE ENGINE DOWN AND MADE A TWO ENGINE LANDING WITHOUT FURTHER INCIDENT. FOUND B-LOOP ON LOWER CORE COWL CHAFED. REPLACED LOOP AND TEST WAS NORMAL.