As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN CRUISE, ACFT HAD UNCOMMANDED YAW TO LEFT. YAW DAMPERS REMAINED ENGAGED AT ALL TIMES. UNCOMMANDED YAW WAS INTERMITENT AND RANDOM IN NATURE. REQUEST INSPECTION. REMOVED AND INSTALLED NEW LINER ACUATOR YAW DAMPER IAW 22-22-01. OPS CHECKED GOOD IAW 22-22-01-710-802.