As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DOOR OPEN AMBER CAS MESSAGE DOOR OPEN. ILLUMINATED WITH DOOR CLOSED AND LOCKED. CHECKLIST FOLLOWED. MESSAGE DID NOT CLEAR AND IS CYCLING ON AND OFF. CORRECTIVE ACTION: REMOVED CABIN DOOR PROXIMITY SWITCHES PIN: S2800-1257 AND S2800-1256. REMOVED CABIN DOOR HARNESS ASSEMBLY P/N 8469153-1, SERIAL NO'S: -NSN-, DUE TO MAIN CABIN DOOR OPEN AMBER CAS MESSAGE. INSTALLED NEW PROXIMITY SWITCHES AND HARNESS ASSEMBLY, IAW THE CESSNA 680A M/M CHAPTER 52-70-10 AND 52-10-00. OPERATIONAL CHECK NORMAL.