I figured it out. portal axle flaw. 

I hope you get sorted and back on the trail, should be an easy fix, looks anyway! Keep us updated on the fix please! Happy rcing my friend

Nothing makes me madder than a freaking portal acle flaw. Geezoid!

What axles are those? You have me about to check a few of my setups. 👍🏾

You can fill the hole with glue and the tap a little longer screw in, the glue will rebuild the threads however it’s only a temporary fix