What was found
MAIN CABIN DOOR WILL NOT CLOSE PROPERLY FROM THE OUTSIDE. WHEN THE DOOR IS AT THE END OF THE POWER ASSIST CYCLE, THE DOOR HANDLE CANNOT BE MOVED TO THE CLOSED POSITION. IN SEVERAL ATTEMPTS TO CLOSE THE DOOR WE WERE SUCCESFUL ONLY ONCE, BUT WITH STRONG UPWARD PUSH ON THE DOOR WHILE IN THE EXTREME UPRIGHT POSITION. SIGN OFF. PERFORMED OPERATIONS CHECK OF MED FROM OUTSIDE WITH NO DEFECTS. INSPECTED DOOR AND LUBRICATED. PERFORMED SERVERAL OPERATIONS CHECKS FROM INSIDE AND OUTSIDE THE CABIN, WITH NO DEFECTS NOTED. ALL IAW CHALLENGER 350 AMM 12-22-00 AND 52-11-00.