Abstract: Employee #1, a refrigeration technician, was dispatched to repair a food cooler at a grocer warehouse. Accompanied by a representative of the grocer warehouse, Employee #1 climbed to the roof and had the warehouse employee open a roof hatch. Employee #1 climbed down a fixed ladder to the top of a suspended ceiling looking for refrigeration piping. After proceeding about eight feet across the ceiling, a four by eight-foot insulated ceiling panel gave way, allowing Employee #1 to fall 18-feet-2-inches to a concrete floor in the cooler below. Employee #1 sustained serious injuries and was hospitalized with a fracture.