LONGWAL HEADGATE ROOF POTTED OUT ABOUT 4' ON 10-29-01 @1000 (35+99). PRODUCTION PROCEEDED NORMALLY UNTIL 2100 WHEN THE AFC TAIL DRIVE HAD A MECHANICAL FAILURE. THE LW STARTED PRODUCTION AGAIN ON 10-30-01, 2ND SHIFT. 2ND SHIFT ADVANCED ABOUT 16' WHEN NO 1 SHIELD WOULD NOT MOVE DUE TO ROCK IN FRONT OF CANOPY TIPS. SINCE THAT TIME, ROCK HAS BEEN LOADED ONTO THE STAGELOADER FOR REMOVAL