As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW RECEIVED A MESSAGE THAT THE AFT DOOR PAX WAS OPEN. FLIGHT ATTENDANTS REPORTED LOCK INDICATIONS WERE NORMAL AND PRESSURIZATION WAS NORMAL. AN EMERGENCY WAS NOT DECLARED AND CREW LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED OPS CHECK OF THE L2 DOOR IAW AMM AND OPS CHECKED GOOD.