Well that didn't exactly happen, did it.



Not debris, just something else that is unpossible because it was missiles or deliberate demolition or something:

https://en.wikipedia.org/wiki/Pratt_%26_Whitney_JT9D - width of around 13ft.
https://en.wikipedia.org/wiki/General_Electric_CF6 8.5 - 9.5ft
That little engine *might* be an APU.