As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER CHECKLIST NOSE WHEEL CAUTION LIGHT CAME ON AFTER START NOSE WHEEL STEERING FAILED. RAN SPGRG 32-01-01 PER MAINT. STILL ILLUMINATED. WHEN TURNED ON, NOSE WHEEL COULD FEEL A THUD. REMOVED FROM SERVICE. REPLACED SCU, NWS MANIFOLD, & NWS HARNESS. OPS CHECKED GOOD. STEERING CAUTION EXTINGUISHED & DID NOT RETURN. RETURNED TO SERVICE.