As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN DOOR IS VERY DIFFICULT TO OPEN FROM INSIDE AFTER FLIGHT. FOUND LOWER AFT DOOR PIN OUT OF ADJUSTMENT, ADJUSTED AFT LOWER DOOR PIN IAW CE560 M/M CH 52-10-00. OPS CK GOOD. CHECKED WARM AIR DUCT FOR PROPER INSTALLATION AND DOOR SEAL VALVE. NO DEFECTS NOTED. PRESSURIZED A/C AND DE-PRESSURIZED, DOOR OPS CK GOOD. REF CE560 M/M CH 21-32-00.