What was found
NR 3 ENGINE N1 STOPPED AT APPROX 101 PERCENT. OTHERS ALREADY STABILIZED AT 111.4 PERCENT. PUSHED NR 3 THROTTLE UP AND GOT SLOW CONTINUOUS ACCELERATION. REJECT T/O FOR NR 3 ENGINE N1 TOO LOW. NR1 AND NR2 N1 AT 111.4 , NR3 N1 AT 101.2 . TRIED PUSHING NR 3 THROTTLE UP TO FADEC BAR. NR 3 N1 ONLY CAME UP LESS THAN 1PERCENT. ACFT BACK TO THE BLOCKS AFTER RTO AT AROUND 46KTS. INSPECTED INLET & EXHAUST NO DAMAGED & ABNORMAL FOUND, EEC3 A & B NO CURRENT, FAULT & FAULT REVIEW NO FAULT HISTORY SHOWN, INSPECTED NR 3 ENG FUEL FILTER, NO METAL FOUND, R & R FUEL FILTER IAW AMM 73-11-04-4-0 IAW ENGINEERING RECOMMENDATION. R & R NR 3 ENG EEC IAW AMM 73-21-00-0-1, NR 3 HMU R & R IAW AMM 73-21-01-4-1, ALSO CHECKED NR 3 EEC PS3 SENSING LINE. NORMAL, MOTORED PERFORMED IAW JRH, NO LEAK NOTED. RAN NR 3 ENG IAW JRH-MIN APPROACH IDLE OK, ALL PARAMETERS NORMAL. HIGN ENERGY STOP INSPECTION COMPLIED WITH IAW MM 05-56-01-6. NR 3 ENG BORO INSPECTION SATISFACTORY PER AMM 72-00-07-6-1. DURING INSPECTION FOUND PS3 TUBE SUPPORT BRACKET BROKEN, WELD REPAIRED PER ENG MANUAL 72-09-03. R & R NR 3 ENG N1 SPEED SENSOR IAW AMM 77-11-01-4-1. PEFORMED NR 3 ENG HIGH POWER RUN & 83% POWER ASSURANCE TEST, FOUND ALL PARAMETERS NORMAL.