What was found
APPROX 5 MIN AFTER TAKEOFF PASSING THROUGH 1000 FT, ENG. 3 STRUT LT ILLUMINATED. LT EXTINGUISHED ON ITS OWN BEFORE ANY QRH ITEMS WERE ACCOMPLISHED. FOLLOWED QRH TESTED SYSTEM-GOOD AND MONITORED. PARAMETERS: A/C WEIGHT 180.0 TAT +12 EPR 1.90,1.95,1.90 N1 95%. REMOVED NR 3 STRUT LOWER PANELS AND INSPECTED DETECTOR LOOP CKD GOOD. RAN ENGINE AND FOUND A PNEUMATIC FLEX LINE LEAKING WITH TELL TAILS HEADING TOWARDS HEAT DETECTOR. THIS WAS A REPEAT ITEM, NO ANOMALY HERE ! R & R T/R FLEX LINE PER SMP. RAN #3 ENGINE PER JRH NO MORE LEAKS FOUND.