As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT AFTER TAKEOFF, LANDING GEAR LEVER WOULD NOT MOVE AND THAT THEY RECEIVED A LANDING GEAR AIR/GROUND FAIL MESSAGE. RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NOSE LANDING GEAR LEG ASSEMBLY. OPS CHECKED GOOD, WITH NO FURTHER DEFECTS NOTED.