As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STL - FLT 4123 - BAGGAGE SMOKE WARNING INDICATION ACTIVATED. FIRE EXTINGUISHER DISCHARGED. DIVERTED TO STL. INSPECTED AND FOUND NO EVIDENCE OF SMOKE OR FIRE. MEL'D SYSTEM AND FLIGHT CONTINUED TO XNA. ON 11-20-99, REMOVED AND REPLACED NR 1 BAGGAGE SMOKE DETECTOR. MEL RESTORED AND AIRCRAFT WAS AGAIN RETURNED TO SERVICE. (X)