EE WAS PERFORMING MAINTENANCE WORK ON THE #4 UNIT DIESEL MAINT. RIDE AT THE TIME OF THIS INCIDENT. HE CAME INTO CONTACT WITH THE MOVING FAN BLADE, INJURING THE RING FINGER AND LITTLE FINGE R ON HIS RT. HAND. THE FINGERNAIL ON HIS RING FINGER WAS REMOVED AT THE HOSPITAL AND HE RECEIVED 8-10 STITCHES.