As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED TO THE FIELD DUE TO LANDING GEAR WILL NOT RETRACT AND LANDING GEAR DISAGREE MESSAGE AFTER TAKEOFF. A/C FERRIED TO CLT FOR REPAIR. MX REPLACED THE NLG DOOR PROXIMITY SENSOR SWITCH AND THE SYSTEM OPS CHECKS GOOD. A/C DEPARTED WITHOUT FURTHER INCIDENT.