As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STEERING INOP MSG 400 FT AGL AFTER / REMOVED AND REPLACED NWS MANIFOLD. PERFORMED EXT / RETRACTION OF NLG IAW CRJ 900 AMM 32-30-00-865-802. OPS CHECK GOOD LEAK CHECK OK AND ALSO BITE TEST PASSED OF NWS ECU ABSOLUTELY NO FURTHER DEFECTS NOTED