High Priority - Time/temperature control for safety food cold held at greater than 41 degrees Fahrenheit. Single door reach-in cooler of cook line: sliced American 45 degrees F, sliced Colby Jack 47 degrees F. Operator placed in walk-in freezer. Re-temps: American 40 degrees F, Colby Jack 38 degrees F Top holding unit for sandwich prep station: sliced Colby Jack 47 degrees F, sliced American 49 degrees F, sliced pepper jack 44 degrees F Walk-in cooler: grilled chicken 44 degrees F, egg whites 52 degrees F. Foods were used through service. Operator placed in walk-in freezer. Re-temps 43 degrees F, egg whites 43 degrees F Corrected On-Site Repeat Violation