As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOR FLIGHT 3679 PRIOR TO FLIGHT THE CREW DETERMINED THAT THE MAIN CABIN DOOR WAS NOT CLOSING PROPERLY. THE AIRCRAFT WAS REMOVED FROM SERVICE. LUBRICATED THE MAIN DOOR. THE OPERATIONAL CHECKS WERE GOOD IAW AMM 52-10-00. THE AIRCRAFT WAS RETURNED TO SERVICE.