Food held, cooled, cooked, or reheated outside safe temperatures, letting dangerous bacteria multiply.
Dish machine or sinks not set up or working properly, or missing sanitizer test kit and gauges.
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.
Fire suppression or extinguishing equipment issue (referred to the fire authority).