EE WAS ATTEMPTING TO BRING DOWN 12C APRON FEEDER WHICH WAS HUNG UP. BECAUSE OF PROBLEMS WITH THE POKE HOLES AT THE REAR OF THE FEEDER, HE WAS WORKING THE POKE HOLES AT THE FRONT OF THE FEEDER. WHILE STANDING ON THE CHAIN GUARD ON THE EAST SIDE OF THE FEEDER, HE SLIPPED AND BROKE HIS CHAIN GUARD ONT HE EAST SIDE OF THE FEEDER, HE SLIPPED AND BROKE HIS FALL WITH HIS LEFT ARM. WAS EVA