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 ENTRY DOOR WILL NOT OPEN OR CLOSE. AIRCRAFT REMOVED FROM SERVICE. ADJUSTED MAIN DOOR ROLLERS SUPPORT AND CHECK OK IAW MM 52-18-00. ADJUSTED LEFT UPPER ROLLER. THE AIRCRAFT WAS RETURNED TO SERVICE.