As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER ARRIVAL FROM CUN DURING THE ACCOMPLISMENT OF THE TRIP CHECK, MAINTENANCE DISCOVERED THE C2 CARGO DOOR MANUAL LOCK ACCESS PANEL LOWER HALF MISSING, BELIEVED THAT IT OPENED IN CUN BY GROUND HANDLERS AND NOT PROPERLY LATCHED. AIRCRAFT RELEASED AS PER CDL AND NEW ACCESS DOOR ORDERED.