What was found
DURING TEST FLIGHT, FOUND THE RIGHT WHEEL WELL GOT VERY HOT WITH CARGO COMPARTMENT AIR CONDITIONING SYSTEM OFF. THERE WERE SIGNS OF FUMES AND SMOKE IN THE CARGO COMPARTMENT. CLOSED ALL ENGINE BLEED VALVES AND THE CONDITION CEASED TO EXIST. FOUND LEAKING CLAMP AND GASKET AT CARGO COMPARTMENT AIR FLOW CONTROL AND SHUT OFF VALVE. REPLACED GASKET THEN RAN GTC, SYSTEM OPS CHECKED AND LEAK CHECKED GOOD IAW MM CH 21-20.