As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) AUTOMATIC FLIGHT CONTROL SYSTEM (AFCS) YAW DAMPER LINEAR ACTUATOR PIN G TO ACTUATOR HOUSING HAD NO INTERNAL CONNECTION THEREFORE THE ACTUATOR WAS NOT ELECTRICALLY BONDED TO THE AIRCRAFT MAKING THE SYSTEM SUSCEPTIBLE TO INDUCED VOLTAGE.