As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE AIRCRAFT BEGAN THE TAKEOFF ROLL WHEN THE FLIGHT CREW NOTICED A LAG IN THE FIRST OFFICERS AIR SPEED INDICATION. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE WITH NO ADDITIONAL PROBLEMS. UPON INSPECTION OF THE FIRST OFFICERS PITOT INSTALLATION AN OBSTRUCTION WAS FOUND (BUG/INSECT) AND WAS REMOVED. THE PITOT STATIC SYSTEM WAS TESTED IAW THE AIRPLANE MM WITH NO FURTHER FAULTS. THE AIRCRAFT WAS RETURNED TO SERVICE. (TC NR 20070531003)