As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ENG RUNS, FWD CARGO FIRE DETECTION DISCHARGE LIGHT CAME ON RESULTING IN DISCHARGE OF CARGO FIRE EXTINGUISH BOTTLE. RESTORED FES AFTER ACTIVATION IAW AMM 26-23-00. REMOVED AND REPLACED FIRE BOTTLE IAW AMM 26-23-41 AND 2 EA SMOKE DETECTORS IAW AMM 26-16-15 OPS CK GOOD.