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Have you ever faced a problem that wouldn’t go away? You fix it once, only to see it pop up again in another form. Whether it’s a recurring defect in production, a service delay, or a customer complaint that keeps resurfacing, the real issue often lies beneath the surface . That’s where Root Cause Analysis (RCA) comes in — a systematic approach to identifying the real causes behind problems rather than treating symptoms. Before we explore tools like the 5 Whys , it’s essent
In Lean Six Sigma, solving problems effectively means going beyond the symptoms and uncovering the true source of variation or waste. This is where Root Cause Analysis (RCA) plays a critical role. According to ASQ, a root cause is “a factor that caused a nonconformance and should be permanently eliminated through process improvement” (ASQ, n.d.). RCA, therefore, is not just about fixing what is broken—it’s about preventing recurrence by addressing the core issue that trigg
