As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON T/O AFTER SELECTING GEAR UP THE CREW RECEIVED AN AMBER NOSEHWEEL STEERING INOP CAUTION MESSAGE. THE CREW CONTINUED TO CLIMB TO FL230. ONCE LEVEL, CREW DECLARED AN EMERGENCY WITH ATC AND DIVERTED TO CLT. - REMOVED AND REPLACE NOSE WHEEL STEERING MANIFOLD, OPS CHECK GOOD.