As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) NO AIRSPEED INDICATION ON F/O SIDE DURING T/O. T/O REJECTED. MAINTENANCE DID A PITOT/STATIC TESTED AND SYSTEM FOUND NORMAL. BOTH ADC COMPUTER INTERCHANGED FORT/S. THE FOLLOWING T/O WAS ALSO REJECTED FOR THE SAME REASON. MAINTENANCE FOUND THE RT F/O INTERNAL PITOT PROBE CONTAMINATED WITH RUST. THE PITOT PROBE WAS REPLACED AND AIRCRAFT DISPATCHED SERVICEABLE.