As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION FOUND THE MAIN CABIN DOOR IS STUCK. IT WILL NOT FREE FALL DOWN. THE AIRCRAFT WAS REMOVE FROM SERVICE. REMOVED AND REPLACED MAIN PAX DOOR POWER ASSIST MOTOR IAW CRJ 700 AMM 52-11-08. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.