As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AT 400 FEET AFTER TAKEOFF CREW REPORTED AN AILERON LOCKOUT MESSAGE, RUDDER RATIO MESSAGE AND NONE OF THE 3 AUTOPILOTS COULD BE ENGAGED. AIRCRAFT RETURNED TO AIRPORT.BOTH LT AND RT STABILIZER TRIM/ELEVATOR ASYMMETRY MODULES (SAM) REPLACED AS PER AMM 27-09-00.SYSTEM TESTED SERVICEABLE.CHECK FLIGHT CARRIED OUT AND NO FAULT FOUND.