What was found
AIRCRAFT WAS GROUNDED: ON TAKE OFF ROLL UPON ENGAGING TOGO AUTOTHROTTLES DISENGAGED AND TAKE OFF CONFIGURATION WARNING SOUNDED, REJECTED TAKE OFF AT APPROXIMATELY 45 / KNOTS. MAINTENANCE DETERINED THAT THE SPEED BRAKE TAKEOFF WARNING SWITCH WAS NOT ENGAGING UNTIL HANDLE WAS ALL THE WAY DOWN FLAT AGAINST STOP. ADJUSTED SWITCH AND ACCOMPLISHED A SATISFACTORYOPERATIONAL CHECK PER AMM 31-51-03.(AALA202007279013) ITHE LEFT AOA SENSOR WAS VERTICAL 180 DEGREES AND THE RIGHT AOA SENSOR WAS HORIZONTAL 90 DEGREES. REPLACED THE LEFT HAND (AALA20200729042) AND RIGHT HAND (AALA20200729043) ANGLE OF ATTACK SENORS PER AMM 34-21-05. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.