What was found
ON TAKEOFF, JUST AS WE REACHED 40 KIAS, RT PFD BLANKED OUT, AFTER 0 SECONDS A RED X APPEARED, APPX 10 SECONDS AFTER THAT ATT IND AND RMI REAPPEARED BUT NO ADC INFO. SELECTING ADC REV DID NOT RESTORE DATA. ABORTED T/O. RESEATED THE CO-PILOTS FLIGHT GUIDANCE COMPUTER AND PFD. PERFORMED SEVERAL OPERATIONAL TESTS ON THE GROUND AND DURING TAXI. TESTS CHECK GOOD. WORK DONE IAW MM, CH 34-00-00.