As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CARGO FIRE DETECTION CHECK FWD DETECTOR WOULD NOT TEST IN NORMAL TEST OK WITH "A" SELECTED. NO HISTORY IN 30 DAYS. PER AMM 26 16 00 710 801 OPS TESTED CARGO BAY SMOKE DETECTION. OPS NORMAL PER SAME. GRND VERIFICATION SUCCESSFUL.