As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THEY RECEIVED A BAGGAGE COMPARTMENT SMOKE WARNING MESSAGE IN FLIGHT. RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MX CLEANED BOTH BAGGAGE COMPARTMENT SMOKE DETECTORS. OPS CHECKED GOOD WITH NO FURTHER DEFECTS NOTED.