As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW RECEIVED A LEFT HAND PUSHER AND SHAKER FAIL CAS MESSAGE. MAINTENANCE CONTROL HAD THE CREW CYCLE A CIRCUIT BREAKER BUT THAT DID NOT FIX THE PROBLEM. MAINTENANCE CONTROL HAD FLIGHT 4171 RETURN TO THE FIELD. MAINTENANCE INSPECTED AND REPLACED THE ANGLE OF ATTACK SENSOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 27-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.