PULLING CROSS SHAFT OUT OF SCREEN HOUSING. LOWERING SHAFT FROM ONE CATWALK TO ANOTHER USING SLINGS TO LOWER SHAFT. WHEN SHAFT WAS ABOUT 2' FROM CATWALK, EE HAD HOLD OF SLING TO STEADY IT. SLIN G SLIPPED OFF OF SHAFT & LANDED ON HIS LEFT FOOT. SAID HE WAS FINE & DID NOT NEED A DOCTOR. BUT WENT LATER TO ER FOR XRAYS. NOTHING WAS BROKE.