As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED WHEN SELECTED THE LANDING GEAR DOWN, RECEIVED A NOSE WHEEL STEERING INOP MESSAGE ON ICAS. SELECTED GEAR UP AND MESSAGE WENT AWAY, SELECTED GEAR DOWN AND MESSAGE CAME BACK. DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENCE. MAINTENACE WAS DISPATCHED TO THE A/C, ONCE PASSENGERS WERE OFF THE AIRCRAFT TECHNICIAN CYCLED POWER AND AIRCRAFT WAS RETURNED TO SERVICE.