20160728021799I

Pilot was performing touch and goes on lake Illiamna. The pilot was climbing out and was setting up for the approach to perform another splash and go and as he pulled the power back from take off power to cruise the engine quit. The pilot landed the aircraft in a swamp area next to the lake. During the landing the right hand float made contact with a tree and damaged the float. The aircraft owner arrived on scene shortly after the landing. The pilot and the aircraft owner inspected the aircraft and found that the right hand wing fuel tank was empty. The pilot and aircraft owner transferred fuel from the fuselage fuel tank to the right hand wing fuel tank. They noticed as they were transferring the fuel to the right hand wing tank that fuel was coming out of the lower engine cowling. They suspected that a fuel line in the engine cowling or a fitting is damaged. They were not able to investigate the cause of the fuel leaking from the cowling due to the location of the aircraft.

The aircraft was water taxied back to the owners lodge. Investigation found that the carburetor flooding. Tear down of the carburetor found a small piece of debris caused the carburetor to fill up with fuel and the fuel continued to pour out of the intake and into the engine cowling.