As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT REJECTED TAKEOFF AT 80 KNOTS DUE TO BOTH DISPLAY SOURCE OFF LIGHTS TURNED ON. MAINTENANCE PERSONNEL PERFORMED BITE TO CDS DEU IAW AMM 31-62-00 TASK 801 AND THE RIGHT DEU SOFTWARE WAS RESEATED IAW AMM 31-62-00 TASK 810, TESTED CORRECT.