As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE F/A REPORTED THE MAIN CABIN DOOR OPENS & CLOSES WITH DIFFICULTY. IT APPEARS THE WHITE GUIDE AT THE TOP OF THE DOOR FRAME DOES NOT ALIGNING WHEN THE DOOR IS CLOSED. THE ACFT WAS REMOVED FROM SERVICE. CLEANED AND LUBED MAIN PASSENGER DOOR AND PERFORMED GENENRAL VISUAL INSPECTION ALL GUIDES AND ALIGNMENT MARKS IAW AMM 52-18-00. THE OPS TESTED GOOD. THE ACFT WAS RETURNED TO SERVICE.