The crop may just be slow if there's a feather in there.Checked today, feather still in there. I don't think the crop is impacted though, I can move it around, and it itself isn't very hard. Just the thing sticking out of it. I don't know how to help her though because like you said, it may not go down, and I don't know if she can throw it up
I'm not sure if you'd be able to get it out without surgery. Is vet care an option at all?