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TQM & Lean · Quality Management
8D Problem Solving & CAPA Awareness
🏭 Presentation
📋 Assessment Form
Objectives
- Understand the 8D methodology and its steps.
- Recognize the importance of CAPA in quality management.
- Apply both techniques in real-world problem-solving scenarios.
What is 8D Methodology?
- Team-based, systematic approach to resolve and prevent chronic problems.
- Developed by Ford; foundation in PDCA cycle.
8D Process Overview
- D0: Plan
- D1: Establish the Team
- D2: Describe the Problem
- D3: Develop Interim Containment Actions
- D4: Identify Root Causes
- D5: Verify Permanent Corrections
- D6: Implement and Validate Corrective Actions
- D7: Prevent Recurrence
- D8: Recognize Team Success
Key Analytical Tools
- Fishbone / Ishikawa Diagram
- 5 Whys Analysis
- Is / Is Not Analysis
- Control Chart
8D in Practice – Example
- Case: Faulty Engine Part
- Step-by-step problem solving with assigned roles
8D Report Template Overview
- Problem Description
- Root Cause Analysis
- Corrective and Preventive Actions
- Team Recognition & Lessons Learned
What is CAPA?
- Corrective Action: Eliminate causes of an existing problem.
- Preventive Action: Eliminate causes of potential problems.
- Vital for continuous improvement and compliance.
CAPA Process Steps
- Identify non-conformance or risk
- Investigate root cause
- Develop and implement action plan
- Verify effectiveness and document outcome
CAPA Best Practices
- Thorough, fact-based documentation
- Effectiveness checks and management review
- Integrate into overall risk management system
CAPA Case Study
- Example: Process improvement following audit non-conformance
- Steps: Issue detection → analysis → action → verification
Integration of 8D and CAPA
- 8D process is often used for corrective actions in CAPA systems.
- Both aim for root cause resolution and prevention.
Hands-on Exercise Instructions
- Form teams and assign sample problem (e.g., recurring defect).
- Apply 8D steps: describe, contain, analyze, correct, prevent, record.
- Fill out template and present findings.
Workshop Q&A
- Review key learning points
- Discussion and participant questions
Summary & Resources
- Summary of 8D and CAPA benefits
- List of templates and reference links (can be added as needed)
🏭 8D Hands-on Training Problems for Group Activity
Test your learning — apply 8D steps to each real-world scenario below
01
Cracks in Forged Knuckles
Group 1
A customer reports that 5% of forged steering knuckles are developing small cracks after heat treatment. This issue is delaying vehicle assembly.
02
Missing Bolts in Gear Housing
Group 2
The OEM rejects 3 lots of gear housings due to missing bolts during final assembly. Operators claim all bolts were fitted.
03
Rust on Brake Discs
Group 3
Customer found rust patches on brake discs within 2 weeks of delivery. The discs were stored in their warehouse.
04
Wrong Machined Dimension in Shafts
Group 4
Customer reported undersized diameter in 2% of transmission shafts, leading to rework and delays.
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