As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI OUT, CREW RECEIVED BAGGAGE WARNING. CREW VERIFIED NO ACTUAL FIRE PRESENT AND FOLLOWED CHECKLIST AND EXTINGUISHED FIRE BOTTLES. MAINTENANCE REMOVED AND REPLACED FORWARD AND AFT CARGO SMOKE DETECTORS AND CARGO SMOKE DETECT TEST SWITCH IAW EMB MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. FIRE BOTTLES WERE ALSO REPLACED PRIOR TO FLIGHT. (M)