As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE MAIN CABIN DOOR BINDS DURING OPENING. DOOR MUST BE MANUALLY MOVED TO THE OPEN POSITION. MAINTENANCE INSPECTED THE DOOR AND THEN CLEANED AND LUBED THE DOOR HINGES AS REQUIRED. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.