As far as I understand it, there are several layers that make up an airplane window, the one in the middle is the vital one and the extra layers on either side

As far as I understand it, there are several layers that make up an airplane window, the one in the middle is the vital one and the extra layers on either side have other purposes. In this incident, the outer frame had melted and the outer pane had separated from the rest but the central layer was OK at that point in time. https://thepointsguy.com/news/what-are-airplane-windows-made-of/ https://thepointsguy.com/news/what-are-airplane-windows-made...