What was found
DURING TAKEOFF OF FLIGHT, THE ACFT LOST THE AIR SPEED INDICATION ON CAPTAIN´S SIDE, THE TAKEOFF WAS ABORTED AND RETURNED TO THE GATE FOR MAINTENANCE. NO AIR SPEED INDICATION ON CAP SIDE, RTO, BRAKE TEMPERATURE 420 DEGREES C". MAINTENANCE PERSONNEL PERFORMED FAULT ANALYSIS IAW TSM 34-13-81-810-812-A, REPLACED THE PITOT PROBE 1, FIN 9DA1, IAW AMM 34-11-15 PB401, PERFORMED TESTS WITH NORMAL RESULTS. ADDITIONALLY IT WAS PERFORMED AMM 05-51-16, PB601 REGARDING BRAKE EMERGENCY APPLICATION OR OVERHEAT, FOUND NORMAL CONDITION. THE ACFT WAS RETURNED TO SERVICE.