United Airlines is finding loose fitting mounting bolts for the mid aft plug door 737-9 : r/boeing

Here's The Difference Between 'Plug Doors' And 'Door Plugs' And How Both Keep You From Blowing Out Of A Plane - The Autopian

737MAX9 Plug-Type Door : r/aviation

United Airlines discovers loose bolts on its Boeing 737 MAX 9 planes after Alaska Airlines incident

Boeing: United Airlines finds loose bolts on 737 Max doors

Section of MAX 9 Blows Out During Ascent (AS 1282 PDX-ONT) - Page 30 - FlyerTalk Forums

United says it found loose bolts on grounded Boeing 737 Max 9 planes: Travel Weekly

United Airlines Finds Loose Bolts on Boeing 737 MAX 9 Door Plugs

Alaska Airlines grounds 65 planes after hole torn open in one midflight

United Airlines is finding loose fitting mounting bolts for the mid aft plug door 737-9 : r/boeing

United Airlines found loose bolts on a grounded Boeing 737 Max 9