Part number from Boeing777

A Malaysian official says a part number (657 BB) on a piece of aircraft wing found in the Indian Ocean confirms the object is from a Boeing 777.

From the part number, it is confirmed that it is from a Boeing 777 aircraft. This information is from MAS (Malaysia Airlines). They have informed me…This could be the convincing evidence that MH370 went down in the Indian Ocean.

The recovered object will be flown to a testing site in France near the city of Toulouse for analysis by aviation authorities and could reach there by Saturday.