Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.
Missing hair or beard restraint, dirty work clothes, jewelry, or painted/artificial fingernails during food prep.
Dirty wiping cloths not stored in sanitizer, or soiled linens handled improperly.
Single-use items (cups, straws, to-go containers) stored or handled improperly.
Plumbing not installed or maintained properly — leaks, mop sink issues, unserviced water filters, or missing backflow prevention.