What was found
A FUEL HOSE WHICH CONNECTS THE LEFT WING TANK TO THE LEFT FUEL SUPPLY LINE AT THE WING ROOT WAS FOUND IMPROPERLY INSTALLED AND LEAKING. THIS WAS DISCOVERED DURING A REGULAR OIL CHANGE WHEN A FUEL STAIN WAS NOTICED ON THE WING ROOT AND FUSELAGE. FURTHER INVESTIGATION UNCOVERED THE SOURCE OF THE LEAK AS THE FUEL SUPPLY HOSE WHICH WAS INSTALLED WITH THE CLAMP AND HOSE END OUTBOARD OF THE BEAD OF THE TUBE.