What was found
ON TAXI OUT, HAD AN UNCOMMANDED AUTO THROTTLE ENGAGEMENT TO TAKEOFF POWER. THROTTLES HAS JUST BEEN MOVED TO IDLE FROM ABOUT 30 PERCENT, AT WHICH TIME THE ATS ENGAGED. POWER CAME UP TO ABOUT 45 PERCENT BEFORE THROTTLES WERE OVER-RIDEN & THE A/T SWITCHES WERE MOVED TO OFF. A/T ARM SWITCHES WERE RESET TO ON, & ALL OPS WERE NORMAL REMAINDER OF FLIGHT. AS REPORTED IAW CREW PDIS, UPON DISENGAGEMENT AND RE-ENGAGEMENT OF AUTOTHROTTLES, SYS OPERATED NORMALLY REMAINDER OF FLIGHT. REPORTED NO AUTOTHROTTLE/TMCF ANOMALIES ON POST-FLIGHT REPORTS. ACCOMPLISHED THRUST MANAGEMENT COMPUTING FUNCTION SYS TEST IAW AMM 22-31-00-5. ALSO ACCOMPLISHED TO/GA SWITCH SYS TEST IAW AMM 22-11-00-5. ALL TESTS PASSED AS REQUIRED. SYS OK FOR SERVICE.