As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING ROUTINE MX FOR THE FIRE BOTTLE CONTINUITY CHECK, THE GROUND WIRE FOR THE AFT FIRE BOTTLE FRONT SQUIB WAS FOUND BROKEN (WIRE IDENT 20010A20N). THE WIRE WAS REPAIRED IAW STANDARD PRACTICES. WITH THIS WIRE BROKEN (OPEN CIRCUIT) IT WOULD NOT BE POSSIBLE TO FIRE THE AFT BOTTLE INTO THE NR2 ENGINE IN THE EVENT OF AN ENGINE FIRE.