As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YAW ACTUATOR FAILED IN FLIGHT AND WOULD NOT RESET. TWO RESET ATTEMPTS WERE UNSUCCESSFUL. SEMA ACTUATOR WAS FOUND TO BE DEFECTIVE DURING TROUBLESHOOTING IAW AMM 22-10-00, 2-1. CAUSES YAW SAS, BACKUP SAS, AND ACTUATOR MESSAGES TO APPEAR ON CAD WITH "Y" ON PFD. REMOVED AND REPLACED SEMA ACTUATOR IAW AMM 67-20-00, 4-14. MOC SUCCESSFULLY COMPLETED IAW 05-06-00, 6-12.