What was found
DURING INITIAL CLIMB, ENG NR 1 STRUT OVERHEAT LIGHT ILLUMINATED, WING ANTI ICE VERIFIED CLOSED, NR 1 ENG BLEED AIR SWITCH CLOSED AND NR 1 ENG THRUST LEVER TO IDLE IAW RED TABS, STRUT OVERHEAT LIGHT EXTINGUISHED AFTER 3 MINS AND OVERHEAT SYSTEM TESTED SATISFACTORY. FOUND NR 1 ENG DUCT BETWEEN SHUTOFF VALVE AND BLEED AIR HEAT EXCHANGER LEAKING. REPLACED CLAMP AND PERFORMED DUCT LEAKAGE TEST PER M/M REF 36-00-000-5. LEAK CKS OK. RAN ENGINES, OPS CK'D NR 1 BLEED SYSTEM IAW JRH 7-4, CK'D GOOD PER JRH. OK FOR SERVICE.