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, BOTH LEFT HAND MAIN TIRES WENT FLAT. THE AIRCRAFT STOPPED AND DE-PLANED THE PASSENGERS. MAINTENANCE INSPECTED AND REPLACED THE LEFT HAND MAIN WHEELS AND TIRES, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-41-10. THE AIRCRAFT WAS RETURNED TO SERVICE.