As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT, CREW RECEIVED BAGGAGE SMOKE LIGHT. CREW RAN THE CHECKLIST AND DECLARED AN EMERGENCY. THEY DIVERTED AND WERE MET BY EMERGENCY VEHICLES. THE LANDING WAS UNEVENTFUL WITH NO SIGN OF FIRE. INSPECTED ACFT AND FOUND NO VISIBLE SIGNS OF SMOKE OR FIRE. TROUBLESHOT SYS AND FOUND NO FAULTS. AS PRECAUTIONARY MEASURE THE FORWARD BAGGAGE SMOKE DETECTOR WAS REPLACED, TESTED AND ACFT WAS RETURNED TO SERVICE.