As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - ENG 1 FIRELOOP A FAULT CAME ON SHORTLY AFTER T/O. FOUND STUD C CONNECTOR OF ENG 1 LOOP A COMMON FWD DETECTOR CABLE BROKEN. REMOVED AND REPLACED (4181KS) PER AMM 26-12-61. ALSO PER MOC AS PRECAUTIONARY REMOVED & REPLACED #1 LOOP A AGB PER AMM 26-12-17. OK FOR SERVICE