What was found
FLT 411, BOS-SAN, RETURNED TO BOS DUE ON TAKEOFF F/O AIR SPEED, AUTO THRUST WENT AWAY, ALSO RUDDER TRAVEL LIM ECAM AND LOSS OF AUTOPILOTS. REMOVED AND REPLACED F/O PITOT PROBE IAW MM 34-11-15. OPS CHECK OK. PRECAUTIONARY REMOVED AND REPLACED ADIRU 2 IAW 34-12-64, REMOVED AND REPLACED PRECAUTIONARY F/O ADM 2 REF 34-13-00, OPS CHECK GOOD. AFT TEST IAW 22-45-00 LAND TEST REF 22-97-00, OPS CHECK GOOD.