As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DOOR: MAIN CABIN DOOR NOT BALANCED AND OPENS VERY VIOLENTLY. VERY HEAVY/DIFFICULT TO CLOSE. TECH PERFORMED THE COUNTERBALANCE ADJUSTMENT/TECH AND FOUND THE TENSION ON THE CABLES WERE CAUSING THE DOOR TO SLAM DOWN. TIGHTEN THE TENSION OF TME CABLES AND PERFORMED SEVERAL OPERATIONAL CHECKS OF THE MAIN EN'TRANCE DOOR WITH NO DISCREPANCES TO NOTE AT THIS TIME. REF. CE680 AMM 52-10-50