As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE MAIN DOOR IS EXCESSIVELY HARD TO OPEN AND SLAMS CLOSED ONCE PAST THE 2/3 POSITION IN CLOSING. PERFORMED THE COUTERBALANCE SYSTEM RIGGING OF THE MAIN CABIN DOOR. ADJUSTED THE TENSION UNTIL SATISFACTORY AND WITHIN LIMITS. OPS CHECK GOOD. NO DEFECTS NOTED. ALL WORK DONE IAW CE-680 AMM 52-10-50.