As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED AIRCRAFT WOULD NOT PRESSURIZE AFTER TAKEOFF. DUMPED FUEL AND RETURNED TO YFB. AT YFB FOUND RT SIDE EMERGENCY EXIT LAYING ON FREIGHT. INSPECTED DOOR ASSY, AIRCRAFT FRAME AND LATCHING MECHANISM. NO DEFECTS NOTED PER MM SMP 581 52-20. REINSTALLED DOOR. OPS CHECK NORMAL.