Alaska Airlines plane had warnings days before blowout, investigators say

While investigators work to figure out what caused an Alaska Airlines’ Boeing 737 Max 9 plane panel to suffer a mid-flight blowout, the U.S. National Transportation Safety Board says pilots reported pressurization warning lights on three previous flights of the same aircraft. Jackson Proskow reports on what more is being learned about the incident.

• Boeing CEO admits mistakes, vows mid-air blowout ‘can never happen again’
• Alaska Airlines plane that suffered blowout was restricted over warning light