As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED THE AUX AOA VANE HEAT (YELLOW) CAS MESSAGE WAS POSTED WITH TAWS WINDSHEAR FAIL (WHITE) ALSO POSTED. THE FLIGHT CREW RAN THE QRH AND ATTEMPTED TO RESET SYSTEM WITH NO SUCCESS. OPERATIONS WERE CONTINUED PER MEL 30-31-1-6-B. THE MAINTENANCE VENDOR TROUBLESHOT AND DETERMINED THE 3RD AOA TRANSDUCER WAS DEFECTIVE. THE TRANSDUCER WAS REMOVED AND REPLACED WITH A NEW UNIT. OPS CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE.