As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN DOOR OPEN AMBER CAS: DOOR WOULD NOT LIFT, "CHECK HANDLE" APPEARD ON DOOR PANEL WHEN LIFT BUTTON PRESSED. WHEN OVERRIDE USED, CABIN DOOR OPEN CAS, AND DOOR OPEN LIGHT (ON DOOR) REMAINED. CORRECTIVE ACTION; OPERATED CABIN DOOR SEVERAL TIMES FROM INSIDE AND OUTSIDE THE AIRCRAFT. NO FAULTS NOTED. MX PERFORMED IN REFERENCE WITH CE-680AS AMM 52-10-00.