Yes the scales are lifted on her legs.
OK I can help. I have dealt with that a couple of times!
Here is an excellent 55 page thread:
https://www.backyardchickens.com/t/33903/scaly-leg-mites-need-best-easiest-quickest-solution-scaley
but I can tell you what I do to get the scales to go back down and heal. To treat Scaly Leg Mites, I dip each affected bird's legs in a cup of mineral oil. I just save the oil from day to day until it gets too nasty and then I get fresh. I use a disposable cup, so as not to have to wash the cup later.
I dip them every day to begin with and then every other day after I feel like they are getting a little improvement. The treatment needs to be for 2 weeks because of the life cycle of the mites. They can also infest the comb so you can put a little oil on the combs if you like (I never did though).
Some people use vaseline but I tried Bag Balm and it didn't seem to work as fast. If the leg scales are badly damaged you may not see them slough off until the scales molt. But when the scales are just slightly lifted, it only takes 2-3 weeks for them to look normal again from my experience.
What you are doing with the oil is simply smothering the mites. Hence the repeated application, since when it wears off it is no good. You can use vegetable oil as well. Don't use things that are toxic.
I hope this helps and I just wanted to say that if Scaly Leg Mites get bad enough they start to self-amputate the toes and even the whole foot at times, so it is very good to treat as soon as possible.