AFTER EXPERIENCING A POWER OUTAGE, EE WAS WALKING TO THE FACE OF THE #2 ENTRY TO CHECK ON THE CONTINUOUS MINER. AS EE WAS TRAVELING THRU THE LAST OPEN BREAK, HE STEPPED ON A LUMP OF COAL. HE S TATED THAT HIS ANKLE CREELED TO THE OUTSIDE CAUSING HIM TO FALL TO THE MINE FLOOR. EE SUSTAINED A FRACTURE TO THE FIBULA AS WELL AS A HAIRLINE FRACTURE TO THE ANKLE BONE.