What was found
FLIGHT 2249. REJECTED TAKEOFF V1 -15 APPROX DUE TO YD OFF EICASS MESSAGE THEN RUDDER FAULT CAUTION. RETURNED TO GATE AND REMOVED FROM SERVICE. INTERROGATED CMC AND FOUND FAULT CODES 27030422FCS, 27030423FCS, 22100010YA1, 22100010YA2, 22100010YB2, 22100010YB1. C/W HIGH ENERGY STOP INSPECTION IAW E175 AMM 05-50-12-200-801-A. NDN. A/C CLEAR FOR RTS.