What was found
(CAN) THE AIRCRAFT BEGAN TO DEPART ON THE TAKE-OFF ROLL WHEN THE FLIGHT CREW OBSERVED THAT THE CAPTAINS AIRSPEED INDICATION HAD FAILED. THE TAKE-OFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE WITH NO ADDITIONAL PROBLEMS. UPON INSPECTION OF THE CAPTAINS PITOT-TUBE A PARTIAL BLOCKAGE WAS NOTICED. AN INSECT AND SOME DEBRIS WAS REMOVED FROM THE PITOT-TUBE AND A LEAK TEST WAS CARRIED OUT ON THE CAPTAINS PITOT-STATIC SYSTEM, IAW THE AIRPLANE MM, AND NO FAULTS WERE FOUND. THE AIRCRAFT WAS RETURNED TO SERVICE. (TC NR 20070813002)