As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS FLAP MESSAGE ON TAKEOFF ROLL. TAKEOFF REJECTED AT 70 KTS. ACCOMPLISHED TAKEOFF WARNING ALERT TEST IAW MM 31-51-00, PARA 2 AND TESTED THE FLAP SLAT ELECTRONICS UNIT IAW MM 27-51-00, PARA 3E AND 3F. TESTED THE PROXIMITY SWITCH ELECTRONICS UNIT OF L/E IAW AMM 27-88-00, NR 507. NO FAULTS FOUND.