As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DOOR: MAIN ENTRY DOOR IS BINDING AND FAILS TO OPEN ON ITS OWN. IT ONLY OPENS ABOUT 1" AND THEN HAS TO BE PULLED/PUSHED BEYOND THAT POINT. CORRECTIVE ACTION: FOUND CABIN DOOR TO BE OUT OF CLEARANCE SPECIFICATION FWD AND AFT FROM AIRCRAFT TO DOOR FRAME. PERFORMED CABIN DOOR RIGGING IAW CESSNA 680A 52-10-00. DOOR POST RIGGING OPS CHECK GOOD.