Roaches, rodents, flies, or other pests present — or doors and openings that let them in not protected.
Food held, cooled, cooked, or reheated outside safe temperatures, letting dangerous bacteria multiply.
Scoops and other in-use utensils stored improperly (e.g. handle down in the food).
Food-contact or nonfood-contact surfaces improperly designed, constructed, maintained, or located.
Plumbing not installed or maintained properly — leaks, mop sink issues, unserviced water filters, or missing backflow prevention.
Employee jackets, phones, drinks, or other personal items stored where they can contaminate food.