CPU constant stutter spike

[Kosp]

I have had for a while that my cpu get's a stutter constantly every second. This usually happens when i start to pushback or after, then in cruise it might go away for a bit, but then it's back for when im landing. And this is only for the inibuilds a350, any variant, with or without cabin. This does not happen to any of my other planes. I use fstl traffic, but even if I load in with no mods except for the aircraft at an airport, it still appears. In the picture, you can see what happens, so everytime that stutter appear and im for instance taking off, the whole ground basically shift because of the spike. I have also to uncap the fps with no success.

I have:

RTX 5070

Ultra Core I7-265KF

32GB Ram