Thanks for the tips.
Great info, there.

I will do some measurements for the waffle plate.

The MCU was as you guessed, not blown. But seeing how they often end up, I wouldn't close this back up without replacing the snubbers

I just bought a 2011 i miev that doesn't slow charge. only chademo fast charge. I opened the OBS and found signs of heat on the cover, the two black relays? in the "dog house"? on the lower board looks blown. one snubber cap is lightly cracked. I think I will replace everything in the lowe...