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.

FAA boosts oversight of Boeing after 737 MAX 9 blowout

The Federal Aviation Administration will begin auditing Boeing's aircraft production and increase oversight of the troubled manufacturer after a panel blew off a jetliner in midflight last week, the last in a string of mishaps for its marquee aircraft.