The process problem _was_ specific to the Max 9 however, as it was the only one with a door plug to be incorrectly installed. The Max 8 never has that exit fitt

The process problem _was_ specific to the Max 9 however, as it was the only one with a door plug to be incorrectly installed. The Max 8 never has that exit fitted and the Max 10 always has that exit fitted. Max 9 is the only one that can plug it.