As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AIRCRAFT RETURNED TO THE GATE AFTER RECEIVING A NOSE STEERING FAIL WARNING INDICATION. MAINTENANCE INSPECTED AND REPLACED THE NOSE STEERING CONTROL UNIT, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-51-06. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.