Boeing to buy Spirit AeroSystems for $4.7 billion

Boeing announced plans to acquire key supplier Spirit AeroSystems for $4.7 billion, a move that it says will improve plane quality and safety amid increasing scrutiny by Congress, airlines and the Department of Justice.

Is FAA and Boeing's relationship a little too cozy?

The Federal Aviation Administration has opened a formal investigation into Boeing for last week's failure of a so-called "door plug" that blew out 3 miles high. That caused an explosive decompression of the plane that forced an immediate emergency landing.