FS2020 Fail

Under the Profile tab, go to the Content Manager?

I am currently flying the default A321 and at cruise altitude in Auto Throttle the airplane seems to hunt from 30% to 90% throttle to maintain speed. That's not normal. I have the NX model, I'll try it later.

I am currently flying the NX model and the aircraft continues to hunt from 30% to 90% in auto throttle.