|Quoting Christeljs (Reply 3):|
As far as I know, all planes have this. Including 737,747,777 and Airbus.
|Quoting Mir (Reply 4):|
The bigger Airbi have it, but in my experience, the A32X do not. Looking at my technical cutaway, the A319 has smaller ducts running up the cabin wall between the windows - I assume the 318, 320 and 321 would be the same way.
|Quoting Rktsci (Reply 7):|
US A321s have it. Just sat next to it in row 13 on a recent PHL-PHX flight
|Quoting 777fan (Reply 5):|
I've run intot this problem on UA's 763s
|Quoting Ikramerica (Reply 9):|
Correct me if I'm wrong, but Boeing tends to put this "blank" next to the engines on the narrowbody jets with some extra structural reinforcement to add another layer of protection against an uncontained fan blade failure.
|Quoting Broke (Reply 11):|
Often when an airplane is originally ordered, no windows or window cutouts were installed in areas where lavatories and galleys are to be located. Eventually with changes in configurations and/or operators, seats are installed at these locations. The result is a seat row with no window.
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