What was found
ON TAKEOFF ROLL, CAPT AIRSPEED INDICATOR WENT TO 300 KNOTS AT AROUND 60 KNOTS INDICATED. CREW ABORTED TAKEOFF AND RETURNED TO BLOCKS. NO FURTHER INCIDENT REPORTED. MAINTENANCE INSPECTED AIRSPEED INDICATION AND FOUND SYSTEM ENCOUNTERED A GLICK FROM NR 1 AIR DATA COMPUTER. CIRCUIT BREAKER RESET PERFORMED OPERATIONAL CHECK OF SYSTEM. NO DEFECTS NOTED. WORK ACCOMPLISHED IAW BOEING 727 MM CH 34-12-00. AIRCRAFT WAS RETURNED TO SERVICE.