As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW RECEIVED FUSELAGE DOOR WARNING LIGHT THAT INDICATED THE AFT CARGO BAY DOOR WAS OPEN. AN EMERGENCY WAS NOT DECLARED, ACFT LOST PRESSURIZATION AT 6000 FT. LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED IAW AMM AND FOUND THE AFT BAGGAGE DOOR HANDLE POPPED OPEN. NO DISCREPANCIES WERE NOTED AND BLOW OUT PLANELS IN AFT CARGO BAY WERE INTACT. ACFT IS GOOD FOR SERVICE.