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....