What was found
AIRCRAFT WAS GNDED. DURING CLIMB EXPERIENCED SEVERAL WARNINGS & OR FAILURES, INCLUDING WIND SHEAR WARNING, SIGNIFICANT DIFFERENCE ON CAPTAIN'S & FIRST OFFICER'S AIRSPEED, 25KT. MULTIPLE EICAS MSGS & AUTO FLIGHT FAILURES & LT EEC. RETURNED TO MX. R & R RT ANGLE OF ATTACK SENSOR IAW AMM 34-12-03. PERFORMED JC 19T21034002, 757 AUTO LAND CHECK, SYS CHECKED NORMAL. PARTS CHANGE INDICATED TT 4018934, SN OFF 03081.