Because it also may help for this thread to visualize the distribution of damages in the cockpit area: Some fotos of the 3-D reconstruction of the cockpit area have been leaked :Created a blog showing many photos with what is likely shrapel damage. The direction of the fragments all seem to match a missile launched from Zaroshenskye.
Comments either here on on the blog are very welcome.
The origin probably is here:
The location that was chosen for the debris of the engine inlet suggests it's the port engine.