As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENROUTE, CREW RECEIVED BAGGAGE SMOKE WARNING INDICATION. AN EMERGENCY WAS DECLARED AND ACFT DIVERTED. AFTER INSP, ON-SITE MX REPLACED FWD SMOKE DETECTOR AND OPS CHECKED SYS IAW MM 26-11-00. OPS CHECK WAS SATISFACTORY AND ACFT WAS RETURNED TO SERVICE.