It's a section 5 to 6 inches long, and the space between the cap and the edge/base is about 3mm.
There's a small edge dent about an inch above where the splitting starts, and I'm not sure if it had anything to do with this, so I'll include so pictures.
Compared to the other ski:

Up close:(sorry for cell phone quality pics)

The red lines are where the splitting starts and finishes, the yellow line is where the edge dent is.

The tiny edge dent, viewed from the base:

I think it's reasonable to get this warrantied, any thoughts?
Thanks.