What was found
ON CLIMBOUT, ENGINE NR 3 STRUT OVERHEAT LIGHT CAME ON. COMPLETION OF RED TABS EXTINGUISHED LIGHT. OPERATED NR 3 ENGINE WITH NO FURTHER ILLUMINATION OF LIGHT. NR 3 BLEED AND NR 2 PACK TURNED OFF AND LEFT OFF PER RED TABS. REMOVED PYLON PANELS 5501-5502 FROM RIGHT SIDE FOUND 8TH STAGE BLEED CHECK VALVE LEAKING DOWN STEAM SIDE OF VALVE. INSTALLED 2 NEW GASKETS IN BLEED CHECK VALVE LEAK CHECKS GOOD RAN NR 3 ENGINE PER JET RUN HANDBOOK OPERATIONAL CHECKS GOOD.