EE PULLEED ON AN AIR HOSE THAT HAD BECOME HUNG ON CATWALK STRUCTURE. WHEN IT CAME LOOSE, HE STRUCK HIS LEFT ELBOW AGAINST ANGLE IRON ON CATWALK HANDRAIL. HE SUFFERED A BRUISE TO HIS LEFT ELBOW AND WAS PLACED ON RESTRICTED DUTY ON 7-22-02. HE WAS RELEASED FOR FULLY DUTY 7/26/-2.