How do I fix this discoloration in my model? How can I fix this model discoloration?
Hello, 

I was wondering what is causing the discoloration on this model?  It should be a smooth surface.

 

Here's another screenshot in edit mode:


How can I fix this?  

Thank you!
There were multiple faces partially overlapping each other.  By removing the extra layers, the model returned to a smooth looking surface.

Thanks all for the assistance.