Fabric defects that occur during weaving production causes wastage at garment production. If fabric defects can not be detected during garment production, causes separation of the finished product as second quality. In this study, in a weaving mill, raw fabrics were inspected during three weeks for defect detection after weaving operation and results were investigated using statistical methods. Detected fabric defects has been classified and noted on quality control charts. For statistical investigation of number of defects pareto analysis and p control charts were used from statistical process control methods.