As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEEL N/W STEERING ECAM AFTER GEAR RETRACTION. DEBRIEFED CREW CAPT STATED ONCE LANDING GEAR CAME UP N/W STEERING MESSAGE APPEARED ON ECAM. UPON APPROACH WHEN LANDING WAS EXTENDED MESSAGE CLEARED. AIRCRAFT TAXI ON ITS OWN POWER TO GATE. CURRENTLY NO MESSAGE PRESENT ON ECAM. FOUND FAULT ON BSCU1, REPLACED BSCU 1 REF 32-42-34-400-001-A. PERFORMED OPS CHECK OF NWS, OPS CHECK GOOD, NO FAULTS AT THIS TIME.