What was found
DURING FLT NR 3571, NR 3 ENGINE EGT DROPPED TO ZERO, RETARDED THROTTLES, NR 3 EGT STABILIZED AT 200 DEGREES THEN BECAME ERRATIC, DUMPED FUEL AND COMPLETED AIR TURN BACK. FOUND LOOSE CONNECTION ON TERMINAL 'D' AT CPC JUNCTION, TIGHTEN CONNECTION, PERFORMED ENGINE GROUND RUN, OPS CHECKED GOOD.