What was found
A STICK PUSHER FAIL WARNING OCCURED DURING THE TAXI OUT FOR TAKEOFF. THE AIRCRAFT RETURNED TO THE GATE. OUTSTATION MAINTENANCE INSPECTED AND APPROVED THE AIRCRAFT FOR A FERRY FLIGHT TO DCA, TO ACCOMPLISH REPAIR. THE FERRY FLIGHT TOOK PLACE WITHOUT INCIDENT. MAINTENANCE WAS DISPATCHED WITH PARTS TO DCA FROM PIT, TO MEET THE AIRCRAFT. MECHANIC INSPECTED AND REPLACED THE LEFT HAND ANGLE OF ATTACK SENSOR, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 27-33-01. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.