As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AWAITING CLEARANCE FOR TAKEOFF, A FLAP CONTROL FAIL WARNING MESSAGE ILLUMINATED. THE AIRCRAFT RETURNED TO THE GATE. OUTSTATION MAINTENANCE PERFORMED A RE-RACK OF THE FLAP CONTROL UNIT AND COMPLIED WITH OPERATIONAL CHECKS, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 27-52-00. THE OPERATIONAL CHECKS WERE SATISFACTORY, AND THE AIRCRAFT WAS RETURNED TO SERVICE.