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Problem solving16 topics

5 Whys

Drill from a symptom to a cause you can actually fix, one "why" at a time — the simplest root-cause method there is.

Previewtree layout · clean theme
The problemFix and preventHow we would detect it soonerSystemic fixImmediate fixWhat we observedWhat it costWho noticedWhen it startedWhy did it happen?Why did that happen?Why did that happen?Why did that happen?Why did that happen?CountermeasureRoot cause

What is inside

  • The problem
  • Why did it happen?
  • Why did that happen?
  • Why did that happen?
  • Why did that happen?
  • Why did that happen?
  • Root cause
  • Countermeasure
  • What we observed
  • When it started
  • Who noticed
  • What it cost
  • Fix and prevent
  • Immediate fix
  • Systemic fix
  • How we would detect it sooner

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