Wingstop

Official wording

Provide walls / ceilings using materials that are durable, smooth, nonabsorbent, light-colored, and washable surfaces. All floor surfaces, other than the customer service areas, shall be approved, smooth, durable, and made of nonabsorbent material that is easily cleanable. Approved base coving shall be provided in all areas, except customer service areas and where food is stored in original unopened containers. Food facilities shall be fully enclosed. All food facilities shall be kept clean and in good repair.

In plain English

Dishes, equipment, or surfaces that touch food were not properly washed, rinsed, and sanitized, or sanitizer was not at the right strength. Clean surfaces help stop germs from spreading to food.