As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING T/O ROLL AIRSPEED WOULD STAGNATE AT CONSISTENT 20 KTS INTERVALS FOR +/- 2 SECONDS. T/O REJECTED AT 120 KTS.(<P>PERF L&R ADC BITE PER AMM 34-12-00. SYSTEM TEST GOOD. PER AMM 34-11-00. LEAK & OPS CHECK PASSED. INSPECTED PITOT TUBES & DRAIN, NO DESCREPANCIES NOTED.</P>)