Macbook 13 inch retina late 2012 water damage.

[Snappaz]

I have some liquid damage to some water spill on my keyboard.

The problems I have at the moment:

No backlight LCD
Fans 100% running
HDMI port does't work

I saw something strange on the mainbord near the display connector, it looks like something is blown:

How to solve? Thanks in advance

 

[GoCubsGo]

That's either corrosion or like you said, something blew. Fix? New MLB.