As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MASTER WARNING FUSELAGE DOOR ON TAKEOFF. RAN CHECKLIST. PLANE WAS NOT PRESSURIZING. RETURNED TO FIELD. LANDING UNEVENTFUL. FOUND AFT CARGO DOOR HANDLE FOUND POPPED. VERIFIED CANTED BULKHEAD PANEL BLOWOUT WAS NOT BLOWN OUT. PERFORMED OPS TEST OF AFT BAG DOOR IAW 52-31-00-710-801. PERFORMED PRESSURIZATION CHECK IAW 21-00-00-863-801; 21-00-00-863-802.