Definitely looks like an Impacted Crop to me...
This thread is worth looking at regarding Impacted Crop and Sour Crop:
https://www.backyardchickens.com/ar...w-to-know-which-one-youre-dealing-with.73607/
This thread is worth looking at regarding Impacted Crop and Sour Crop:
https://www.backyardchickens.com/ar...w-to-know-which-one-youre-dealing-with.73607/