A JUMBO WITH A SMALL LEAK IN THE HYDRAULIC HOSE BURST INTO FLAMES IN THE 31SR1D AREA AT APPROX. 5:40 P.M. THE CREWS WERE EVACUATED FROM THE MINE. SUNSHINE MINE RESCUE TEAM ENTERED MINE & DET ERMINED THAT THE FIRE WAS OUT; THEY SECURED THE AREA AND SWEPT THE EXHAUST SIDE OF THE MINE TO BE CERTAIN IT WAS CLEAR.