As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) F/O'S AIRSPEED INDICATED 0 KNOTS DURING TAKEOFF ROLL. UPON RETURN TO RAMP, MAINTENANCE INSPECTED F/O PITOT TUBE AND FOUND DEBRIS INSIDE. LINE AND TUBE BLOWN OUT WITH DRY NITROGEN. PITOT STATIC TESTS CARRIED IAW M/M. AIRCRAFT DECLARED SERVICEABLE.