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. WIRING CHECK AT FDU 2A CONNECTOR PIN J TO K 1.5K OHMS. J TO GND 1.5K OHMS. K TO GND 25.3 OHMS. AFTER DISCONNECTED 3015VCA READING CHANGED J TO GND 1.9K OHMS. K TO GND 29.3 OHMS. FOUND WIRE 3K001(B AND R)20 DAMAGED NEAR 3822VC2-A. REMOVED AND REPLACED WIRE PER AMM 70-71-24. OPS CHECK OK PER AMM 26-12-00.