As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#43, JFK-LGW. (ETOPS) 'ENG 1 FIRE LOOP A FAULT ECAM DURING CRUISE ( ENGINE FIRE DETECTION SYSTEMS 1) LOOP A ); FOUND BREAK IN ENG 1 AFT CORE FIRE LOOP A. REMOVED AND REPLACED AFT CORE LOOP A IAW AMM 23-12-17. OPS CHECK OK. MX-4 UPDATED PLACARD REMOVED, MDDR CLEARED.