INJURED EE WAS CHANGING THE LOADING HOSE PIPE FROM ONE SECTION OF A COVERED RAILCAR HOPPER TO THE NEXT SECTION. AS HE MOVED THE LOADING AND VENT HOSE THAT THE DOOR WAS SUPPORTED BY, THE DOOR D ROPPED AND CAUGHT HIS LITTLE FINGER BETWEEN THE DOOR AND THE BRACKET OF THE LOADING SWITCH, CAUSING CONTUSION AND SIMPLE FRACTURE.