As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#44, LGW-JFK. (ETOPS) FIRE LOOP B FAULT ECAM FLASHING FOR 3 SECONDS AND THEN GOES AWAY CAME IN TWICE 10 MINUTES APART APPROXIMATELY 45 MIN PRIOR TO LANDING ECAM DID NO RE-APPEAR AFTER THE SECOND INSTANCE. REMOVED AND REPLACED FIRE LOOP IAW AMM 26-12-17.