I am so sorry for your loss. I'm currently making a medicine chest/ first aid kit for my chooks. It helps to have stuff on hand rather than have to wait to get to the store only to find they don't have what you need.
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PLEASE NOTE the powdered medication I referred to needs to be the Nystatin/Medistatin type.If she is vomiting (you mentioned leaking from the beak) she may have sour crop. This article was a true godsend for my Repecca/Roopecca (the name is another crazy story). I used the kit that had 3 suppositories and a small tube of cream ointment. I cut the suppositories into 4 pieces. The author has since mentioned finding the medication recommended in powder form which they add to coconut oil. I like that idea better. But before you run out and buy any medicine read this thoroughly and determine if your chook has sour crop or impacted crop. Either way your gal definitely has pendulous crop! I'm sure azygous can chime in here and explain the powdered med/coconut oil mix.
https://www.backyardchickens.com/ar...w-to-know-which-one-youre-dealing-with.73607/
I bought my Roopeccas bra online here.
http://www.hensaver.com/Crop-Bra.html
I found it fit best when placed on the chest vertically rather than horizontally. Also fit much better crossing the straps on his back rather than across the shoulders and across the back. Of course all birds are different so experiment a bit.