What was found
ON TAKEOFF A RIGHT A/C PACK TRIP, FOLLOWED BY A RIGHT DUCT OVERHEAT, ABOUT A MINUTE LATER WITH AN ENG 3 STRUT OVERHEAT ILLUMINATING ABOUT 30 SEC LATER. COMPLIED COM PROCEDURE 2.36.9 WHICH CAUSED THE STRUT OVERHEAT LIGHT TO GO OUT AND ISOLATED THE LEAK ON REMOVED STUB WING PANELS ENG NR 3. FOUND 3 EACH DUCTS LEAKING, 2 ON PRE-COOLER AND 1 ON 13TH STAGE MODULATING VALVE. NO CRACKS FOUND. TIGHTENED CLAMPS ON LEAKING DUCTS, RAN ENGINE. TURNED OFF NR 2/APU BLEEDS, OPENED NR 1 AND NR 3 BLEEDS, TURNED ON BOTH.