As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#20, LHR-JFK. (ETOPS) 'ECAM ENG FIRE LOOP A FAULT ( ENGINE FIRE DETECTION SYSTEMS 1) LOOP A ); REF TSM 26-12-00-810-912-A FOUND AGB LOOP A TERMINALS A/C SHORTING TO DETECTOR CASE. REPLACED ENG 1 FIRE LOOP A 4001WD1 IAW AMM 26-12-17. OPS CHK OK. FAULT CLEARED. MDDR CLEARED. MX-4 UPDATED. PLACARD REMOVED.'