Rouen duck egg day 28 dark spot

[Freda2200]

Help. Woke up this morning to this dark spot. No change all day. Candled and the sir sac is elongated. No peeping.

 

[shawluvsbirds]

Help. Woke up this morning to this dark spot. No change all day. Candled and the sir sac is elongated. No peeping.

It appears it is Mal positioned and tried to pip the wrong side of the egg. Did it hatch? Sometimes they can hatch in that position.