As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 32, AMS-BOS. (ETOPS) ENG L FIRE LOOP B FAULT ECAM AFTER LANDING. ENGINE FIRE DETECTION SYSTEMS LOOP B. FAULT HAS NOT SHOWED IN 3 DAYS PER MCC AC OK FOR SVC REF LP 4398668 ITEM 1 (FOUND PYLON RAIL ASSY BROKEN. R & R PYLON FIRE DETECTOR RAIL ASSY IAW AMM 26-12-16. REPLACED PYLON LOOP A (3W01) & LOOP B (4W01), OPS CHKD GOOD. ENG PYLON LOOP A & B REPLACEMENT. ACFT ETOPS GROUND VERIFICATION PERFORMED IAW AMM 26-12-16.