As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLIGHT, PAX DOOR OPEN MESSAGE DISPLAYED ON AND OFF APPROXIMATELY SIX TIMES AND THEN ON THE LAST TIME IT STAYED ON. INSPECTED AFT PAX DOOR IAW 52-12-00, NO DEFECTS FOUND. ALL INDICATIONS ON DOOR AND COCKPIT ARE READING AND OPERATING CORRECTLY.