The inner membrane (for lack of a better phrase) shrink wrapped them in. The air cells were all good. I did open the hatcher for 3 chicks that hatched on day 19. It was only to pull them out on day 21 to feed them. They hatched earlier then I planned. It is now day 22 and I have 7 left to hatch. No pipping yet (as of this morning, but I am now t home) but they all showed signs of life at lockdown.
you had chicks hatch on day 19? you ran too hot which caused them to shrink wrap. only thing you could have done is raise humidity or put a tiny hole in air cell to let more humiidity in the top to help them get it inside.