but we're being cautious on this. could be a development that proves to be nothing. a piece of debris found on a beach in the southwest of australia, near a small vacation town. >> reporter: after many futile days of searching above and beneath the water, a new discovery in the hunt for flight 370. object of interest picked up near augusta on australia's southwestern coast. sources tell the associated press, after an initial analysis, the object is likely not from the plane but photos are still being examined. top australian transporter official says it looks like sheet metal with rivets, and a source in the australian defense force tells cnn, the object is kind of rectangular but torn and misshapen and appears to have a fiberglass coating on one side. after so many false leads, search officials and