As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER / CREW DOORS: CABIN DOOR OPEN CAS MESSAGE WOULD NOT CLEAR WITH CABIN DOOR CLOSED. ALL LATCHES WERE CONFIRMED ENGAGED. RAN QRH PROCEDURE AND WOULD NOT CLEAR THEN RAN PROCEDURE WITH MCC AND STILL WOULD NOT CLEAR. CORRECTIVE ACTION: REPLACED UPPER THRESHOLD HARNESS. OPS CHECK GOOD. IAW CE680A SPM 20-30-00