What was found
AFTER NORMAL APPROACH WITH A GO AROUND FROM 501 AGL, FULL ENGINE POWER WAS ATTAINED ON ALL ENGINES. AT 700 FT, FE NOTED EPR ROLLBACK ON NR 3 ENGINE. ENGINE SUBSEQUENTLY WOULD NOT RESPOND TO POWER SETTINGS AND WAS SHUTDOWN. INSPECTION FOUND FUEL PUMP DRIVE SHAFT SHEARED. NO DRIVE TO FUEL CONTROL WHICH PUT FUEL CONTROL IN FAIL SAFE PROTECTION MADE. FUEL PUMP WAS SCHEDULED FOR INSPECTION IAW AD, BUT FAILED PRIOR TO ACCOMPLISHED.