As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED THAT DURING FLIGHT THE FLIGHT GUIDANCE COMPUTER B FAILED. THE MAINTENANCE PROVIDER TROUBLESHOT AND DETERMINED BOTH YAW DAMPENER LINEAR ACTUATORS FAILED. THE ACTUATORS WERE REPLACED WITH REPAIRED UNITS. FAILED UNITS P/N 7002800-901 S/N 0809H375, 97121049