As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT THE BAGGAGE SMOKE ANNUNCIATOR ILLUMINATED. EMERGENCY CHECKLIST WAS FOLLOWED, AN EMERGENCY WAS DECLARED AND THE ACFT DIVERTED, LANDING WAS UNEVENTFUL. MX TROUBLESHOT THE DISCREPANCY TO A FAULTY FORWARD SMOKE DETECTOR. THE DETECTOR WAS REPLACED, OPS CHECKED OK. ACFT WAS RETURNED TO SERVICE.