As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - AFTER AIRCRAFT TOW ENG #1 FIRE LOOP A FAULT ECAM MESSAGE APPEARED FAULT CODE: 261215. FAULT MESSAGE: ENG 1 FIRE LOOP A/FDU (1WD1). TSM 26-12-00-810-935-A STEP 3(7) CARRIED OUT. CONFIRMED ZONE 3 LOOP 1 FIRE DET U/S. REMOVED & REPLACED FIRE SENSOR ASSY (CORE 2ONE3) IAW AMM 26-12-17. FDU 1 SYSTEM TEST C/O, TEST OK. NO ENG 1 FIRE LOOP A ECAM MSG. OK TO CONTINUE