As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5938, STL TO CLE - THE FLIGHT CREW RECEIVED A BAGGAGE SMOKE MESSAGE DURING CRUISE. THE QRH WAS FOLLOWED AND BOTH CARGO COMPARTMENT FIRE BOTTLES WERE DISCHARGED. THE ACFT LANDED WITHOUT INCIDENT IN IND. THE CARGO COMPARTMENT WAS INSPECTED WITH NO SIGNS OF SMOKE OR FIRE. THE SMOKE DETECTION SYSTEM WAS TESTED WITH NO DEFECTS NOTED AND THE CARGO FIRE BOTTLES WERE PLACED ON MEL. BOTH BOTTLES WERE REPLACED LATER ON THE 15TH IN CLE.