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, THE RIGHT HAND PROPELLER OVERSPEED TEST FAILED TO OPERATE WHEN SELECTED. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPAIRED BROKEN WIRES AT THE OVERSPEED GOVERNOR CANNON PLUG CONNECTOR, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 61-21-04. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.