As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - ENG 2 FIRE LOOP A FAULT. PERFORMED FDU 2 BITE TEST OK. CONTUINITY CHK 1.5K. GRD CHK GOOD. PULLED LAST LEG REPORT SHOWED ENG 2 FIRE LOOP A AGB. REMOVED AND REPLACED LOOP A AGB (4002WD1). RAN ENG 2. ENG #2 LOOP A FAULT CAME BACK. FOUND SHORT AT WIRE 708002-20B26-12. FROM CONNECTOR 452VCA BUNDLE 4165KS. REMOVED AND REPLACED HARNESS ASSY- FIRE ELEC (4165KS) REF 26-12-61. RAN ENG #2. NO FAULT NOTED. OK FOR SVC.