What was found
AFTER DEPARTURE FROM LAX, PASSING 4500 FT, NR 1 STRUT OVERHEAT LIGHT ILLUMINATED, PERFORMED CHECKLIST LIGHT EXTINGUISHED. FOUND LEAKING SENSE LINE AT 13TH STAGE MODULATION VALVE. REPLACED LINE, OPS CHECK GOOD PER MM 36-10-00, 36-12-00, NO OTHER LEAKS NOTED. (M)