As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3407 THE CREW REPORTED THE MAIN CABIN DOOR WAS HARD TO OPEN/CLOSE. THE AIRCRAFT WAS REMOVED FROM SERVICE. ADJUSTED PASSENGER MAIN CABIN DOOR. ADJUSTED INTERCONNECTION ROD V IAW AMM 52-18-00 DOOR OPEN/CLOSES NORMALLY AT THIS TIME NO DEFECTS NOTED. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.