Food held, cooled, cooked, or reheated outside safe temperatures, letting dangerous bacteria multiply.
Handwash sink missing, blocked, or used for other purposes, or missing soap, towels, or the handwash sign.
A sick or symptomatic employee present, or staff unaware of when illness bars them from working with food.
Scoops and other in-use utensils stored improperly (e.g. handle down in the food).