As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING TAXI, AIRCRAFT STOPPED RESPONDING TO RIGHT STEERING TILLER OR RIGHT RUDDER PEDAL INPUTS. STEERING WOULD ONLY RESPOND TO CENTRE TO LEFT POSITIONS. AIRCRAFT RETURNED TO GATE. NOSE WHEEL STEERING METERING VALVE MODULE REPLACED AND SYSTEM CHECKED SERVICEABLE AS PER MAINTENANCE MANUAL