What was found
UNABLE TO OPEN MAIN CABIN DOOR, TRIED FROM INSIDE AND OUTSIDE OF AIRCRAFT. MAINTENANCE DISCOVERED UPPER FORWARD CORNER OF MAIN CABIN DOOR BINDING AGAINST DOOR CUTOUT STRUCTURE. PRESSED IN ON UPPER FORWARD CORNER AND WAS ABLE TO OPEN MAIN CABIN DOOR. PRESSURIZED AIRCRAFT TO 3.5 PSI, DOOR JAMMED AGAIN. MAIN CABIN DOOR WAS FOUND TO BE OUT OF RIG. RIGGED DOOR PER AMM 52-11-00. ALSO, FOUND BOLT GOING THROUGH OUTER HANDLE LOOSE, REPLACED BOLT. FOUND A DEEP GOUGE IN OUTER DOOR HANDLE PAN. MAINTENANCE REPLACED DOOR PER MM 52-11-00. AIRCRAFT RETURNED TO SERVICE.