As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - AUTO SLAT FAIL LIGHT ILLUMINATED ON TAKEOFF OUT OF AUS THEN HAD FLAP DISAGREE LIGHT ON DESCENT. LANDED DFW WITHOUT INCIDENT. FOUND FORWARD AUTO SLAT ACTUATOR FAULTED. REPLACED ACTUATOR AND ADJUSTED CONTROL VALVE. SYSTEM GROUND CHECKED NORMAL OPERATIONS.