What was found
ON TAKEOFF ROLL NR 1 ENGINE ROLLED BACKED TO IDLE. CHECKED NR 1 ENGINE MAIN ENGINE CONTROL (MEC) CONTROL RODS, INSPECTED INLET & EXHAUST, CHECKED SPECIFIC GRAVITY, FOUND OK IAW CFM M/M 72-00-00. PERFORMED POWER ASSURANCE CHECK IAW JRH 13.3, FOUND OK. UNABLE TO DUPLICATE.