A PALLET CONTAINING ELECTRIC MOTORS WAS STORED ON A SHELF ABOVE FLOOR LEVEL. THE PALLET HAD BROKEN SPILLING THE MOTORS ON THE SHELF. AFTER THE MOTORS WERE REMOVED EE CLIMBED ONTO THE SHELF TO REMOVE THE PALLET. AS HE STEPPED OFF A PIECE OF PALLET BROKE OFF UNDER HIS FEET. HE GRABBED ONTO THE SHELF TO BREAK HIS FALL AND FELT PAIN IN HIS RIGHT SHOULDER.