Roaches, rodents, flies, or other pests present — or doors and openings that let them in not protected.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.
Plumbing not installed or maintained properly — leaks, mop sink issues, unserviced water filters, or missing backflow prevention.
Dirty wiping cloths not stored in sanitizer, or soiled linens handled improperly.
Floors, walls, ceilings, or attached equipment dirty, damaged, or poorly vented.