What was found
A NR 1 PITOT HEAT FAIL WARNING MESSAGE ILLUMINATED, DURING THE TAXI OUT FOR TAKEOFF. THE AIRCRAFT RETURNED TO THE GATE. OUTSTATION MAINTENANCE INSPECTED AND APPROVED THE AIRCRAFT FOR A FERRY FLIGHT TO PIT. THE FERRY FLIGHT WAS COMPLETED WITHOUT ANY PROBLEMS. PIT MAINTENANCE INSPECTED AND REPLACED THE NR 1 PITOT TUBE ELECTRICAL CONNECTOR, IN ACCORDANCE WITH DORNIER WIRING MANUAL 20-15-02. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.