Originally Posted by
halls120
Because the 737-900s UA has are over 20 years old, and haven’t lost a single plug door?
Not quite.
The 737-900ERs were delivered to UA from 2008-2016.
The 737MAX9s were delivered to UA since 2018.
But if so many of the MAX9s are coming up with plug door issues, I'd sure hope the ERs would be inspected as well, even if it's not done via a type grounding.