What was found
DURING TAKEOFF, THE ACFT LOST SPEED INDICATION, THE TAKEOFF WAS ABORTED AND RETURNED TO THE GATE FOR MAINTENANCE. THE PILOT REPORTED: DURING TAKEOFF, NO SPEED INDICATION. REJECTED TAKEOFF AT 100 KNOTS. MAINTENANCE PERSONNEL PERFORMED FAULT ANALYSIS IAW TSM 34-11-00-810-870-A, REPLACED THE PITOT PROBE 1, FIN 9DA1 IAW AMM 34-11-15-000-001-A, 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.