What was found
ABORTED TAKEOFF C-CHECK NON REVENUE FLT HAD REJECTED TAKEOFF AT 80 KTS FOR CAPTAINS ALTIMETER, MACH AIRSPEED INDICATOR & MACH TRIM FAIL LIGHT ALSO SPEED TRIM FAIL LIGHT. A VARIETY OF EFIS INFORMATION LOST WHEN AUTO THROTTLES DISENGAGED. MX R & R LT & RT ADC IAW AWA TC R2A34007. OPS CHECKS GOOD IAW AWA R2A34007. CONFIRMED FAILURE OF LT ADC, UNIT FAILED INCOMING FUNCTIONAL RATE OF CLIMB TEST. REPLACED SYNCHRO BOARD & RESOLVER BOARD. WORK PERFORMED IAW CMM 34-10-97 REV 10. WAS NOT ABLE TO CONFIRM FAULT ON THE RT ADC, NO FAULTS WERE FOUND WITH UNIT. UNIT INSPECTED & FUNCTIONALLY TESTED IAW CMM 34-10-97 REV 10.