As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DISAGREE N AMBER CAS: APPROXIMATELY 30 SECONDS AFTER GEAR RETRACTION THE AMBER GEAR DISAGREE N AMBER CAS ILLUMINATED. WE CLIMBED TO A SAFE ALTITUDE KEPT THE AIRSPEED BELOW GEAR EXTENSION AND FOLLOW THE QRH FOR THIS CAS MESSAGE. THE AMBER GEAR CONTROL FAULT ILLUMINATED AS WELL. CORRECTIVE ACTION; REPLACED NLG ACTUATOR. ALL WORK IAW CE700 MM 32-30-10. OPS/LEAK CHECK GOOD..