A3 report

one-page problem-solving report

An A3 report tells the story of a problem on one sheet of A3 paper: background, current state, goal, root cause, countermeasures, plan and follow-up. It comes from Toyota and follows the PDCA cycle.

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A3 Report: Lean A3 report with photos and PDF, from background to results.

Related terms

• PDCA: plan, do, check, act
• 8D: eight disciplines problem solving
• Root cause: the cause that, once removed, prevents recurrence