As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AS SOON AS THE POWER WAS SET TO GO, ADS1 FAIL EICAS AND ASSOCIATED MASTER CAUTION ILLUMINATED. AIRCRAFT WAS UNDER 40 KTS. T/O WAS ABORTED. MESSAGES WERE CLEARED. AIRCRAFT TAXIED BACK FOR A SECOND ATTEMPT. THE SECOND ATTEMPT, BEFORE THE POWER WAS SET, TAT1 FAIL AND ADS 1 FAIL MESSAGES APPEARED. AIRCRAFT TAXIED BACK TO THE GATE FOR MAINTENANCE AFTER THE SECOND ABORT. THE FLIGHT CONTINUED WITHOUT INCIDENT AFTER MX CLEARED ANY FAULTS IAW THE ERJ-170 FAULT ISOLATION MANUAL. NO FURTHER FAULTS WITH THE AIRCRAFT.