What was found
AFT CARGO DOOR WILL NOT OPEN OR CLOSE. UPPER FOREWARD ASSIST MECHANISM FROZEN. *S/D* MAIN SHAFT FOR THE FORWARD BALANCE MECHANISM WAS SPLIT. THE FORWARD BALANCE MAIN SHAFT WAS REPLACED AND THE DOOR WAS OPERATIONALLY CHECKED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFT CARGO DOOR WILL NOT OPEN OR CLOSE. UPPER FOREWARD ASSIST MECHANISM FROZEN. *S/D* MAIN SHAFT FOR THE FORWARD BALANCE MECHANISM WAS SPLIT. THE FORWARD BALANCE MAIN SHAFT WAS REPLACED AND THE DOOR WAS OPERATIONALLY CHECKED.