EE WAS WORKING ON 9A APRON FEEDER ADDING A LARGE PATCH TO THE NORTH WALL. THE STEEL PATCH WAS HUNG BY A COME ALONG TO LIFT IT IN POSITION, WHEN THE PATCH WAS HOISTED UP IT HAD TO BE PUSHED INT O PLACE. AS EE WAS PUSHING THE PLATE, HE FELT PAIN IN HIS RT SHOULDER. HE WAS EVALUATED BY A PHYSICIAN AND PHYISICAL THERAPY STARTED ON 12-2-03.