As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL, RIGHT ENGINE FAILED TO PRODUCE TAKEOFF POWER. WITH LEFT ENGINE ACCELERATING NORMALLY. RIGHT ENGINE STOPPED ACCELERATING AT 58 PERCENT N1. REMOVED AND REPLACED RIGHT ENGINE MAIN ENGINE CONTROL IAW B767 AMM 73-21-01-4. PERFORMED ENGINE RUN, SYSTEM CHECKED GOOD.