As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NWS STEER INOP MESSAGE ON EICAS JUST AFTER TAKEOFF IN GSP. NORMAL LANDING IN ORD UNDER 61,000 LBS. UNABLE TO RESTORE NWS ON GROUND. EICAS MESSAGE STEERING INOP, BIT CODE: B1-007464/ B1-007466. T/S FIM TASK 32-51-50-810-801, POSSIBLE CAUSE NOSEWHEEL STEERING MANIFOLD UNSERVICEABLE. REMOVED AND REPLACED NOSE WHEEL STEERING MANIFOLD IAW CRJ700 AMM 32-51-50. OPS CHECK AND LEAK CHECK GOOD.