What was found
98-0074, DURING CLIMB-OUT, THE NR 3 ENG STRUT OVERHEAT LIGHT ILLUM. ENG NR 3 BLEED AIR SWITCH WAS CLOSED AT THE TIME THE LIGHT ILLUM. APPROPRIATE RED TABS WERE ACCOMPLISHED AND THE LIGHT WENT OUT PRIOR TO THE STEP REQUIRING POWER REDUCTION. WING ANTI-ICE WAS NOT BEING USED. RAN NR 3 ENGINE, FOUND WING ANTI-ICE HIGH PRESSURE SHUT OFF VALVE LEAKING AT GASKET. REPLACED GASKET, VISUALLY INSP ALL DUCTS, WIRING AND NR 3 STRUT FIRE LOOP FOR INTEGRITY. RAN NR 3 ENGINE PER JET RUN HANDBOOK. LEAK CHECK GOOD NR 3 STRUT OVERHEAT CHECKS GOOD. OK FOR SERVICE.