What was found
ACFT EXPERIENCED RT RUDDER DISPLACEMENT FOR APPROX 2 SEC. RUDDER PEDALS DID NOT MOVE FROM NEUTRAL, A A/P ENGAGED. REMOVED MAIN PCU, STANDBY PCU, AND YAW DAMP COUPLER FOR TEST AND INSPECTION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ACFT EXPERIENCED RT RUDDER DISPLACEMENT FOR APPROX 2 SEC. RUDDER PEDALS DID NOT MOVE FROM NEUTRAL, A A/P ENGAGED. REMOVED MAIN PCU, STANDBY PCU, AND YAW DAMP COUPLER FOR TEST AND INSPECTION.