Originally Posted by
amexman
Interesting that the FAA emergency AD applies to "The Boeing Company Model 737-9 airplanes, certified in any category, with a mid cabin door plug installed".
Don't the 737-900's have the plug? Curious why this is solely a "Max" problem if so?
Pure speculation: It could be something so simple as a different manufacturer of the nuts and bolts that hold the plug in place while the a/c is not pressurized.