As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DOOR MECHANISM NOT BALANCED. VERY DIFFICULT TO OPEN AND CLOSES VIOLENTLY. ADJUSTED CABIN DOOR CABLES FORWARD AND AFT AFTER FINDING TENSIONS TO BE EXTREMELY HIGH. CABLE TENSIONS SET TO CORRECT RANGE AND OPS CHECK OF MAIN CABIN DOOR IS GOOD. IAW MM 52-10-50.