As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW ABORTED TAKEOFF AT 78 KTS DUE TO GENERATOR DRIVE LIGHT AND ASSOCATED EICAS MESSAGE. CREW REPORT 6 BRAKES WENT TO "6" THEN DOWN TO '4' BY END OF TAXI BACK TO GATE. WEIGHT WAS 383K, OAT 9DEG C, 1500' PRESS ALT. CONDITIONAL INSPECTION CARRIED OUT SATISFACTORY IAW AMM 05-51-14. NO DAMAGE EVIDENT.