OleOle, (#964)
That is one of the 6 identical displays (refer link below). Notice the lower right hand cover has a knob. Your picture shows the unit in its upright position. That means large piece of shrapnel hit it from the top. I am guessing it is the captain's PFD or ND.
https://www.google.com.my/search?q=b...2F%3B640%3B426