What was found
DURING CRUISE FLIGHT, THE AIRCRAFT STARTED FISH TAILING. RETURNED TO DEPARTURE. MAINTENANCE REPLACED THE NR 1 AFCS YAW ACTUATOR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CRUISE FLIGHT, THE AIRCRAFT STARTED FISH TAILING. RETURNED TO DEPARTURE. MAINTENANCE REPLACED THE NR 1 AFCS YAW ACTUATOR.