What was found
DURING TAKEOFF ROLL, NR 1 ENGINE FAILURE OCCURED AT BRAKE RELEASE, APPROX 20 KNOTS BELOW VMCG. FLIGHT CREW PERFORMED A REJECTED TAKEOFF. R & R NR 1 ENGINE IAW AMM 71-00-20-000-04A, ALL OPS CHECKS AND HIGH POWER ASSURANCE RUNS WITHIN LIMITS.