As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CREW PREFLIGHT, FOUND FIRE DET SYS INDICATION B# LINE WAS YELLOW (AMBER). MAINTENANCE RESECURED ELEC CONNECTOR ON CARGO FIRE PANEL IAW B767 AMM 26-11-00 AND PERFORMED AFOLTS TEST IAW B767 AMM 26-10-00. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.