Root Cause Analysis with example for “5” Why technique
Root Cause Analysis (RCA) is a method that is used to address a problem or non-conformance in the quality process to get to the “root cause” (actual cause of origin) of the non-conformity. RCA helps to correct or eliminate the cause and prevent the problem from recurring (preventive action). Root cause analyses is aimed at improving products or processes quality and must an in systematic ways to be effective.
Root Cause Analysis Methodology
Different Methods of doing Root Cause Analysis:
- To identify non-conformity and the causes, so that permanent solution can be found.
- To develop a logical approach of problem-solving, using data that already exists in QMS (Quality Management System)
- To identify current and also future needs for organizational quality improvement.
- To establish a repeatable systematic step by step processes, in which one process can confirm the results of another with deep analysis.
The “5” Why technique causes mapping
Non-conformity identified: Decrease in the viscosity of Vitamin D3 syrup.
The “5” why technique can be expanded to 15 why or 150 why the deeper you go the more thorough analyzing takes place and reveals better solutions
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