What was found
AFTER STANDARD POWER SET AND BRAKE RELEASE HEARD LOUD BANG FOLLOWED BY EPR ON NR 3 GOING TO ZERO, DISCONTINUED TAKEOFF AND TAXIED CLEAR. ON TAXI BACK SAW IDLE NUMBERS ON NR 3 OF N1-26 EGT-410 N2-53 (IE LOWER N1 AND HIGHER EGT). ENGINE SHUTDOWN ON TAXI BACK. R & R NR 3 ENGINE IAW WC 70T0001-03, AND 70T0301-03. LEAK CHECKED, IDLE CHECKED, FLIGHT IDLE CHECKED, PART POWER, AND MAX POWER ASSURANCE COMPLIED WITH IAW JRH WITH NO DISCREPANCIES NOTED.