What was found
AIR TURN BACK.AFTER TAKEOFF WHEN FLAPS AND SLATS RETRACTED, LEVEL 2 €ŒAIL DEFLECT DISAGREE€? ALERT DISPLAYED.RAN QRH PROCEDURE TO RESET, NO HELP.AIRCRAFT HAD ROLL TO THE RIGHT THROUGHOUT THE RETURN FLIG VERIFIED INSTALL AND SAFETIES, WITNESSED RIG, OPS CHECKS, AND FLIGHT CONTROL MOVEMENT PER GMM 04-02 REQUIREMENTS.