As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 716 - IAH - THE AIRCRAFT WAS EXHIBITING DUTCH ROLL TENDENCY, ESPECIALLY AT ALTITUDE. THERE WAS NO MOVEMENT OF YAW DAMPER INDICATOR NOTED IN FLIGHT. THE FLIGHT WAS UNEVENTFUL. THE YAW DAMPER COUPLER WAS REMOVED AND REPLACED AND THE SYSTEM CHECKED GOOD PER MM 22-12-31. THE FAILURE HAS BEEN CONFIRMED. TEARDOWN FINDINGS REVEALED THE RATE GYRO WAS AT FAULT. (M)