As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATO - FLT CV7746/27 - TAKEOFF ABORTED AT 70 KNOTS DUE NR 4 FUEL SPAR VALVE STATUS MESSAGE EICAS AND CIRCUIT BREAKERS TRIPPED. RETURNED TO RAMP. DURING TROUBLESHOOTING. MAINTENANCE DETERMINED THAT FUEL SPAR VALVE POSITION LOGIC CARD NR 12, PN 285U0143-201, WAS DEFECTIVE. REPLACED LOGIC CARD AND OPERATION NOW NORMAL. (X)