As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF ROLL RECEIVED AURAL WARNING, MASTER CAUTION LIGHT & EICAS ALERT MSG CONFIG. PERFORMED REJECTED TAKEOFF AT APPROX 145 KNOTS. FOUND CMC MSG 277791. PERFORMED TROUBLESHOOTING IAW AMM 27-00-00 & FOUND JUMPER AT LE PANEL OPEN. R & R JUMPER WERE PERFORMED LE & FAILURE INDICATION TEST IAW AMM 27-89-00, FOUND SATISFACTORY.