What was found
R DUCT LEAK EICAS. RAN CHECKLIST TO COMPLETION. PERFOMED FIM 26-18 FAULT TREE 804. TEST PASSED. VISUALLY CHECKED R PACK BAY FOR LEAKS. FOUND LEAKS FROM FCV/SOV CLAMP LEADING TO HEAT XCHANGER. FURTHER T/S REQUIRED. SOURCE OF AIR IS APU BLEED. FOUND GAP AT CLAMP FOR FIDH AND FAN OUTLET DUCT. ALSO FOUND FLOW CONTROL AND SHUTOFF VALVE HAD A LOOSE CLAMP. REINSTALLED ALL CLAMPS. OPS CHECKED GOOD. NO AIR LEAKS FOUND OR EICAS MESSAGES AT THIS TIME. REF AMM 21-51-31, AMM21-51-36, & AMM 21-51-01