As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED THAT THEY RECEIVED A LANDING GEAR LEVER DISAGREE MESSAGE IN FLIGHT. THE CREW RETURNED TO FIELD AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE NLG UPLOCK SWITCHES AND THE NOSE LANDING GEAR UPLOCK PROXIMITY SWITCH HARNESS. OPS CHECK AND LANDING GEAR SWINGS WERE GOOD WITH NO FURTHER DEFECTS NOTED.