What was found
CREW REPORTED- ENGINE 1 FAILED AT 90 KTS ON TAKEOFF ROLL. EXTREMELY LOUD BOOM HEARD ACROSS THE AIRPORT, MULTIPLE MESSAGES APPEARED WHILE REJECTING INCLUDING WARNING FOR E1 ENGINE OUT AS WELL AS RUDDER AP HARD OVER FAIL, E1 SHORT DISPATCH, AND A FEW OTHERS. STRONG SMOKE AND BURNING SMELL NEAR ENGINE AS WELL. CORR ACTION- MX REPLACED #1 ENG OPS TEST GOOD.