On 4/25/08 it was alleged that a reportable coal dust ignition occurred on 5/20/07. In the investigation completed on 4/28/08 it was determined that the accident occurred. Several EEs removed a belt headroller that was bolted to the roof in E Submains, entry 2, XC-5. Coal dust on the headroller I-beam fell & was ignited by the cutting torch being used to remove support bolts