As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 2720 THE CREW REPORTED THE MAIN CABIN DOOR IS HARD TO OPEN AND CLOSE. THE AIRCRAFT WAS REMOVED FROM SERVICE. CLEANED AND LUBED MAIN CABIN DOOR ROLLER IAW AMM 53-21-02 THE OPERATIONAL CHECK WAS GOOD. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.