As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STEERING INOP MESSAGE AFTER TAKEOFF. QRH PROCEDURE DID NOT CLEAR MESSAGE. / TROUBLESHOT STEERING INOP THROUGH B1-007464 FOUND IN MDC IAW CRJ 900 FIM 32-51-50-810-801. REMOVED AND REPLACED STEERING MANIFOLD IAW CRJ 900 AMM 32-51-50-000/400-801. BITE TEST AND OPS TEST GOOD. PERFORMED NOSE LANDING GEAR RETRACTION IAW CRJ 900 AMM 32-30-00-865-802. OPS CHECK GOOD. NO FAULTS RETURNED.