As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB OUT, BAGGAGE SMOKE WARNING ILLUMINATED. AN EMERGENCY WAS DECLARED AND THE ACFT DIVERTED. LANDING WAS UNEVENTFUL. MX FOUND THE AFT BAGGAGE COMPARTMENT SMOKE DETECTOR INOPERATIVE. THE AFT DETECTOR WAS REPLACED AND A SUCCESSFUL OPS CHECK WAS PERFORMED. ACFT WAS RETURNED TO SERVICE.