What was found
ATTEMPTED T/O, HOWEVER NR 3 ENGINE N1 WOULD NOT SPOOL UP TO T/O POWER, ENGINE COMPRESSOR STALL POPPING WAS NOTED. N2 WAS 80 PERCENT, N1 HUNG AT 48 PERCENT. FOUND N1 INDICATOR STICKS, REPLACED N1 INDICATOR PER MM 77-12-0, OPS CHECKS OK. FOUND ENGINE WOULD NOT ACCELERATE. REPLACED FUEL CONTROL UNIT PER MM 73-2-1. FUEL CONTROL OPS AND LEAK CHECKS OK DURING TRIM RUN ACCOMPLISHED PER MM 71-00 NO POPPING NOTED, RUN UP CHECK OK.