FRICTION CAUSED METHANE TO IGNITE ON THE 48 BUTT EAST SECTION IN THE FACE OF #3 ENTRY APPROXIMATELY 112 FEET FROM THE 58XC. THE BITS APPEARED TO HIT A SULFUR BALL AS THE OPERATOR TRIMMED THE T OP. THE ROOF BOLTERS EXTINGUISHED THE FLAME WITH THE WASH DOWN HOSE AFTER IT BURNED FOR APPROXIMATELY 18 SECONDS.