deliver. boeing today issued inspection guidelines for every airline that flies the max 9. as the faa reiterated, the max 9s will remain grounded until airlines complete enhanced inspections which include both left and right cabin door exit plugs. that takes four to eight hours each. corrective actions must be completed before any plane returns to service. meanwhile, boeing s ceo has called a companywide tuesday meeting to focus on safety. this max 9 emergency comes after two fatal max 8 crashes that grounded the plane. loose bolts on the max rudder system, production and quality control delays with the max 8, the 787, military planes and boeing s space program. even an incident like this that doesn t involve any injuries or fatalities does serve to undermine to some degree the confidence in boeing s ability to manufacture a safe aircraft. reporter: united and alaska have canceled more than 300 flights again today. likely more cancellations