Roof fall occurred in the 3RWL longwall bleeder in 3 entry @ 7 x-cut. It is uncertain when the fall occurred as it was 150' behind LW face and no person witnessed the fall. The fall measured approximately 21'x 60'x 14'high. The area out-by was supported with double-row of wood cribs. MPLs for weekly exams of the bleeder have been set and approved by MSHA at x-cut #6 & 11.