out and alaska airlines and united both found issues with their door plugs. united said it found loose bolts related to the possible installation issues. now, the bolts are key, four bolts keep the door plug snug against 12 fittings and without those, the door can essentially shoot off like a rocket, exactly what happened last well. still a controlled message and ceo steve calhoun has done one incident and told cnbc the cause was a corpsable escape when it came to boeing s quality control and it will take a look at its own processes and possesses of its contractors. this lawsuit, this class action state filed in lawsuit, it alleges physical injuries, emotional trauma, passengers bruised and they were thrust into a walking nightmare. something the woman leading this investigation, ntsb chair says that passengers and flight crew were extremely traumatized by