A3 Problem Solving Template
A structured, single-page framework for defining problems, analyzing root causes, implementing countermeasures, and standardizing improvements. This A3 template serves as both a problem-solving worksheet and a communication tool for lean manufacturing teams.
The A3 Problem Solving Template is a lean management tool that condenses the entire PDCA (Plan-Do-Check-Act) cycle onto a single A3-sized sheet. It forces clarity, brevity, and data-driven thinking. This audit-ready template includes scoring rubrics for each A3 section — problem statement, current condition, root cause analysis, target state, countermeasures, implementation plan, follow-up, and standardization. Use it to evaluate the quality of problem-solving efforts and to coach teams toward rigorous continuous improvement.
- A3 paper (11×17 or A3 ledger), or digital A3 template with the same layout.
- Actual process data: defect rates, cycle times, downtime logs, or quality inspection records from the past 30–90 days.
- This template is designed for team leads, supervisors, lean champions, and kaizen facilitators. A facilitator skilled in 5-Why and fishbone analysis is recommended for first-time users.
A3 Problem Solving — Evaluation Matrix
| Section / Criterion | Evaluation Standard | Score (1–5) | Observations & Gaps |
|---|---|---|---|
| Problem Statement | Clear, specific, and measurable. Includes the gap between current and target condition. References actual data. | [ ] | _________________________ |
| Current Condition | Visual representation (spaghetti chart, Pareto, trend line) showing the actual state. Quantified with KPIs. | [ ] | _________________________ |
| Root Cause Analysis | Uses at least one structured method (5-Why, fishbone, or cause-and-effect). Reaches the true root cause, not just symptoms. | [ ] | _________________________ |
| Target Condition | Specific, time-bound improvement goal. Aligned with departmental or plant-level targets. | [ ] | _________________________ |
| Countermeasures | Directly addresses the root cause. Actions are concrete, assigned, and have defined timelines. | [ ] | _________________________ |
| Implementation Plan | Step-by-step actions with owners, start/end dates, and checkpoints. Includes communication plan. | [ ] | _________________________ |
| Follow-Up & Verification | Defines how and when results will be measured. Includes a review date and responsible person. | [ ] | _________________________ |
| Standardization | Successful countermeasures are documented in standard work instructions, SOPs, or training materials. | [ ] | _________________________ |
Scoring key: 1 = Not addressed / incomplete, 2 = Attempted but insufficient, 3 = Adequate with minor gaps, 4 = Good / meets standard, 5 = Excellent / best practice.
Action Items & Follow-Up Plan
| Date | Gap Identified (from A3 section) | Countermeasure / Action | Owner | Target Date |
|---|---|---|---|---|
| ___/___/_____ | _______________________________ | _______________________________ | _______ | ___/___/_____ |
| ___/___/_____ | _______________________________ | _______________________________ | _______ | ___/___/_____ |
| ___/___/_____ | _______________________________ | _______________________________ | _______ | ___/___/_____ |
By signing below, the A3 author, lean champion, or area supervisor confirms that the A3 problem-solving process has been completed with integrity, data is accurate, and countermeasure owners have committed to the plan.