As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE TAXI FOR TAKEOFF, A CHECK DU 3 WARNING MESSAGE ILLUMINATED ON FAULT WARNING COMPUTOR NUMBER TWO. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND SWAPPED THE DATA ACQUISITION UNITS FOR TROUBLE SHOOTING. OPERATION CHECKS WERE CARRIED OUT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 31-42-00. THE CHECKS WERE SATISFACTORY, AND THE AIRCRAFT WAS RETURNED TO SERVICE.