Template Library
A3 Problem-Solving Template
A printable, one-page Excel A3 report with all nine Toyota-style boxes laid out for real use, plus a log for tracking multiple A3s across a team or department over time.
The A3 Report tab lays out Background, Problem Statement, Current Condition, Target Condition, Root Cause Analysis, Countermeasures, Implementation Plan, Check Results, and Standardize & Share Learning on one printable landscape page. The A3 Log tab tracks every completed and in-progress A3 in one place, with an automatic days-open calculation.
What Is Included in the Workbook
| Sheet | Purpose | What Teams Capture |
|---|---|---|
| How-To | Method guidance and orientation | How to work through the nine boxes and when to use the log |
| A3 Report | One-page problem-solving report | Title, owner, area, date, and all nine A3 boxes, formatted to print on one landscape page |
| A3 Log | Multi-A3 tracking register | Title, owner, area, date opened, status, target date, root cause and countermeasure summaries, and an automatic days-open count |
How the Workbook Is Structured
The A3 Report tab is built as a real one-pager, not a generic form: the nine boxes are laid out in the classic A3 grid, the page is already set to landscape with print scaling fit to one page, and each box carries a short prompt reminding the writer what belongs there.
The A3 Log tab exists because a single A3 rarely lives in isolation — it turns the workbook into a light tracking register for a team or department running several investigations at once, with a Days Open column that counts automatically from the date opened unless the status is marked Closed.
Key Features Inside the Template
True One-Page Layout
Print area, orientation, and scaling are already configured — Print or Save as PDF produces a clean single page.
Prompted Boxes
Each of the nine boxes carries a short reminder of what belongs there, reducing the chance of skipping current-condition observation or naming a solution too early.
Automatic Days-Open Tracking
The A3 Log calculates how long each investigation has been open directly from the date entered, unless it's marked Closed.
Built From a Real Example
The example content walks through an actual tool-wear investigation from the SPC guide, not placeholder text.
Best Use Cases
- Structured problem-solving on a scoped, observable process issue
- Coaching conversations between a team and a leader reviewing the A3 together
- Kaizen events and DMAIC projects needing a lightweight, one-page report
- Tracking multiple open investigations across a department or shift
How to Use the Template Effectively
- Fill in Background and Problem Statement first, without naming a solution.
- Go observe the actual process before writing Current Condition — don't rely on memory or assumption.
- Complete Root Cause Analysis with evidence before writing anything in Countermeasures.
- Assign real owners and dates in the Implementation Plan box, not vague responsibility.
- Fill in Check Results after the countermeasures run, and log the completed A3 on the A3 Log tab.
Who Should Use This Template
- Team leads and engineers running structured problem-solving on a scoped issue
- Leaders coaching problem-solving thinking rather than just approving a document
- CI departments tracking multiple concurrent A3 investigations
Common Mistakes to Avoid
- Treating the filled-in template as proof that real problem-solving happened
- Writing Countermeasures before Root Cause Analysis is complete and evidence-based
- Never logging the A3 anywhere, so completed investigations get lost as isolated files
Example Filled-Out Case
Example: Ridgeline Precision Machining uses the template to document a bore-diameter scrap investigation on its CNC cell. The Current Condition box cites the actual X-bar/R signal and Cpk from the SPC and Process Capability guides, Root Cause Analysis traces the issue to a fixed-part-count tool-change interval, and Countermeasures move the shop to a wear-based trigger — a complete nine-box story built from data already established elsewhere on the site.
Related Guides and Tools
Read the A3 Problem Solving BoK Entry
The full method, worked examples across industries, and common failure modes this template is built around.
Use the A3 Problem-Solving Builder
Build and preview an A3 interactively in the browser, with a live pitfall check, before committing it to this file.
Read the SPC & Control Charts Guide
The tool-wear investigation behind this template's example, worked by hand with an X-bar/R chart.
A3 Problem-Solving Template Frequently Asked Questions
Does the workbook print as a single page?
Yes. The A3 Report tab is formatted for one landscape page with print scaling already set, so Print or Save as PDF produces a single-page report without manual page setup.
In what order should the nine boxes be filled in?
Start with Background and Problem Statement, then Current Condition and Target Condition, then Root Cause Analysis before Countermeasures. Filling in Countermeasures before Root Cause Analysis is one of the most common signs a team jumped to a fix too early.
What is the A3 Log tab for?
It tracks multiple A3s over time — title, owner, area, dates, status, and a summary of the root cause and countermeasure — so completed and in-progress investigations don't get lost as isolated files. A Days Open column calculates automatically from the date opened unless the status is Closed.
Can this template be used outside manufacturing?
Yes. A3 thinking is used in healthcare, service operations, product development, logistics, and administrative processes. The nine boxes and the underlying PDCA logic stay the same regardless of industry.