What was found
ON FLIGHT 3697 THE CREW REPORTED THE MAIN DOOR WOULD NOT OPEN, CABLE STICKING INSIDE, OPEN ABOUT 6 INCHES, FINIALLY WAS ABLE TO OPEN. THE AIRCRAFT WAS REMOVED FROM SERVICE. INSPECTED AREA, FOUND DEFECTIVE POWER ASSIST MOTOR. REMOVED AND REPLACED POWER ASSIST MOTOR IAW CRJ 700 AMM 52-11-08. PIN PART NUMBNER: MS16562-192, COTTER PIN PART NUMBER: MS24655-134. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.