As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED A STALL FAIL CAS INDICATION, THE CREW RESET THE SYSTEM BUT THE FAULT CAME ON AGAIN. THE LEFT AND RIGHT SPS INDICATORS SHOW DIFFERENT INDICATIONS. THE MAINTENANCE PROVIDER TROUBLESHOT AND FOUND THE STALL WARNING COMPUTER WAS DEFECTIVE. A REPAIRED CONDITION COMPUTER WAS INSTALLED, MI-66 OPERATIONAL CHECK GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.