Loose bolts and hardware have been found on some grounded Boeing 737 Max 9 planes. This comes amid a probe into how a door plug blew off an Alaska Airlines flight mid-air. CNN’s Pete Muntean reports.Loose bolts and hardware have been found on some grounded Boeing 737 Max 9 planes. This comes amid a probe into how a door plug blew off an Alaska Airlines flight mid-air. CNN’s Pete Muntean reports.
