As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF ROLL WE HAD A NO TAKEOFF CONFIG WARNING ON EICAS WITH NO AURAL WARNING. TAKEOFF OK WAS HEARD PRIOR TO TAKEOFF & AFTER ABORTED TAKEOFF. R & R RELAY K0212 IAW AMM 20-13-02. R & R AURAL WARNING UNIT IAW AMM 31-51-01. OPERATIONS CHECKED IAW AMM 31-51-00. OPERATIONS CHECKED GOOD.