PENGENDALIAN DAN PERBAIKAN KUALITAS PRODUK FURNITURE DENGAN PENERAPAN METODE SQC (STATISTICAL QUALITY CONTROL) DAN FTA (FAULT TREE ANALYSIS)

CV. XYZ is a company engaged in the production of wood into finished goods (furniture), one which wooden chairs. In process making chairs, various types damaged products such as broken, painted (varnished), scuffed, and loose are still found. This study aims to analyze quality control provide suggestions for improvement reduce product defects, using Statistical Quality Control (SQC) method with seven tools Fault Tree Analysis (FTA) method. The results show that period January 2021-February 2022 average percentage defective per month 5.63%, where this result exceeds company's standard 5%. analysis stated abrasion defects stretching dominated overall products, causal factors being lack supervision during no routine machine maintenance schedule carried out. suggested given appoint senior worker supervisor at each work station, hold briefing before after completed by management all operators, then make special periodic inspection, maintenance, repair machines equipment workplace. outside schedule, last create place instructions on use machine.