What was found
AIRCRAFT WAS GROUNDED: PILOT REJECTED T/O AT 70 KTS, FLEX POWER T/O PLANNED @ 46 DEG C. RIGHT ENGINE WENT TO FLEX, LEFT ENGINE WENT TO TOGA POWER. MAX SPEED 70KTS, NO AUTO BRAKE. MAINTENANCE ACCOMPLISHED TEST NO. 11 HIGHPOWER ASSURANCE TEST & ENG RUN TO 1.5 EPR @ 46 DEG. C. ALL CHECKS WERE NORMAL, NO FAILURE OR WARNINGS ON POST FLIGHT REPORT AS IAW AMM 71-00-00.