What was found
ON TAKEOFF ROLL, NR 1 ENGINE NEVER WENT PAST 80 PERCENT. RTO WAS AT 80KTS. OMA R BITE CHECK FADEC, REF TSM, NO FAULTS NOTED. INSPECTED BURNER BYPASS LINE, NO LEAKS NOTED. INSPECTED AND CHANGED FUEL FILTER REF MM. R & R FUEL PUMP AND HMU. LEAK CHECK GOOD. RAN ENGINES IAW ALL PARAMETERS NORMAL - NO LEAKS FOUND. PREFORMED POWER ASSURANCE RUN.