As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OUT OF HPN THE CREW RECEIVED A NOSE WHEEL STEERING INOP CAUTION MESSAGE. UPON ARRIVE INTO CLT THE CREW DECLARED AN EMERGENCY AND TRUCK ROLLED. THE AIRCRAFT LANDED SAFELY AND TAXIED TO THE GATE. B1 CODE 007464. PERFORMED SYSTEM RESET. PROBLEM DID NOT REOCCUR.