As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABORTED TAKEOFF DUE TO FIRST OFFICERS AIRSPEED IND INOP. USED NORMAL BRAKING DUE TO LOW SPEED ABORT. CORRECTIVE ACTION: FOUND F/O'S PITOT TUBE BLOCKED. CLEANED PITOT TUBE OPS CHECK F/O'S AIRSPEED IND PER M/M 34-11-00, TESTED NORMAL ON GROUND.