What was found
NO CAPTAINS AIRSPEED INDICATION WHEN F/O CALLED 80 KNOTS. REJECTED TAKEOFF AT APPROX 90-95 KNOTS. ACCOMPLISHED RTO CHECKLIST AND RTB. PERFORMED ACCURACY AND LEAK TEST OF CAPT'S PITOT/AIRSPEED IND SYS IAW MM 34-10-00-5. NO LEAKAGE AND CAPT'S AIRSPEED MATCHED SPEED SHOWS ON PITOT STATIC TEST BOX. REPLACED ADC IAW MM 34-11-34-4. OPS CHECKS GOOD. PREMATURE REMOVAL/INSTALLATION OFF MFG 4045053-914 POS 1 SRL 32270943, TAG 2D2875 ON MFG 4045053-914 SRL 89070855, TAG 7B0152.