What was found
STARTED TAKEOFF. POWER WAS SET. SHORTLY THEREAFTER BETWEEN 30 AND 40 KNOTS, RECEIVED ABOUT 3 TO 5 CAS MESSAGES. AUTOTHROTTLE DISCONNECT, SOME PROBE WARNING AND A COUPLE OTHERS THAT WE CAN`T RECALL. REJECT WAS INITIATED AROUND 40 KNOTS AND THE MESSAGES DISAPPEARED. COMPLETED REJECTED TAKEOFF CHECKLIST. REMOVED AND REPLACED RT MAIN PITOT PROBE, OPS CHECKED ANTI-ICE IAW SUB TASKS 30-31-00-710-801 & 30-31-00-705-001 OF AMM 34-11-01-4. NO FAULTS NOTED. OK TO CONTINUE. PERFORMED HIGH POWER RUN AT TAKE OFF POWER IAW AMM 71-00-00-5-3, TEST 13. TEST PASSED. NO EICAS WARNINGS WERE PRESENT AT TAKE OFF POWER. ACFT OK FOR SERVICE.