As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 3271 - CARGO SMOKE LIGHT ON CENTRAL WARNING PANEL ILLUMINATED DURING TAXI. DISCHARGED NR 1 BOTTLE AND RETURNED TO GATE. MAINTENANCE REMOVED AND REPLACED BOTH CARGO SMOKE DETECTORS (S/N A5411, A5338)IAW SAAB MM. NR 1 FIRE BOTTLE AND SQUIB WERE ALSO REPLACED. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)