What was found
AIRCRAFT NOT GROUNDED: PILOT REJECTED TAKE OFF. FLEX SELECTED, NO 1 WENT TOGA NO 2 WENT FLEX. MAINTENANCE ACCOMPLISHED OPS TEST OF THROTTLE CONTROL UNIT IAW AMM 76-11-00-710-040, NO FAULTS FOUND. NO DEFECTS NOTED IN PFR, AIRMAN, OR CMS. NO RECENT HISTORY OF DISCREPANCY. ACCOMPLISHED SUCCESSFUL HIGH POWER RUNS IAW AMM 71-00-00-710-013 & AMM 71-00 00-860-010. BOTH ENGINES STAYED @ FLEX WHEN THRUST LEVERS WERE SET TO FLEX / MCT DETENT. OK FOR SVC.