What was found
DURING TAKEOFF ROLL LOSS POWER ON NR 1 ENGINE. ABORTED TAKEOFF AT 70 KNOTS. REFERRED TO PERFORMANCE MANUAL BRAKE ENERGY CHART OK TO TAXI. CHECKED ALL TANK CROSSFEED VALVES AND SELECTOR VALVES FOR OPERATION FOUND NORMAL IAW MM 28-22-2,3. INSPECTED FUEL FILTERS AND ALL FUEL SUPPLY LINES FOR DEFECTS, NONE NOTED PER MM 73-10-4. CHECKED SENSE LINES TO FUEL CONTROL AND FOUND NORMAL IAW MM 73-20-3 AND 73-20. PERFORMED ENGINE RUN UP PER MM 71-00 AND FOUND ALL PARAMETERS WITHIN LIMITS AT ALL POWER SETTINGS. UNABLE TO DUPLICATE POWER LOSS.