What was found
RUDDER TRIM FLUCTUATED AND AUTOPILOT WOULD NOT ENGAGE, REQUIRED LEFT AILERON INPUT TO COMPENSATE FOR RIGHT YAW. RETURNED TO DFW. REMOVED AND REPLACED YAW TRIM ACTUATOR IAW SAAB AMM. OPERATIONAL CHECK GOOD. RETURNED TO SERVICE
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RUDDER TRIM FLUCTUATED AND AUTOPILOT WOULD NOT ENGAGE, REQUIRED LEFT AILERON INPUT TO COMPENSATE FOR RIGHT YAW. RETURNED TO DFW. REMOVED AND REPLACED YAW TRIM ACTUATOR IAW SAAB AMM. OPERATIONAL CHECK GOOD. RETURNED TO SERVICE