PENDEKATAN LEAN THINKING DENGAN METODE RCA UNTUK MEMINIMALISIR WASTE AGAR MENINGKATAN KUALITAS PRODUK (STUDI KASUS : PT.KELOLA MINA LAUT di GRESIK UNIT IKAN)

One of the production efficiency by reducing waste (waste) that will impact on the quality of the product. This study aims to reduce waste to improve product quality through lean thinking approach. The method used in this study is qualitative deskripsif by collecting data by direct observation and interviews. Methods of data analysis using RCA (Root Casue analysis). The results of this study found a critical waste, which is waiting, defact, and unnecessary inventory. The results of this study of 6 alternative solutions, finally chosen three alternative solutions considered important that, routine checks of facilities and infrastructure that support the production process,more selection in choosing raw materials, the provision of training to employees. Keywords : Quality, lean thinking, root cause analysis, alternative solution