What was found
AT FL360 THE CADC 2 FAILED. COMPLETED AIRSPEED, LOST SUSPECT OR ERRATIC CK LIST & FLT RETURNED TO DEPARTURE. THE FAILURE WAS INDICATED BY LEVEL 2 ALERTS "SEL ELEV FEEL MAN" "SEL FLAP LIM OVRD", F/O A/S INDICATOR WAS 170 KTS, AUTOPILOT DISENGAGED, CK LIST ADDRESSED ALL ISSUES. AUTO THROTTLES ALSO DISENGAGED, ALT COMPARATOR DISPLAYED. R & R NR 2 CADC IAW MM 34-16-01-4 AND OPS CK OK IAW MM 34-16-01-5.