Food held, cooled, cooked, or reheated outside safe temperatures, letting dangerous bacteria multiply.
Dirty wiping cloths not stored in sanitizer, or soiled linens handled improperly.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.
Clean equipment and utensils stored improperly or not air-dried.
Floors, walls, ceilings, or attached equipment dirty, damaged, or poorly vented.