What’s in It for Me?: Work Instruction No. 3
Root cause analysis
Published: Monday, June 9, 2008 - 22:00
ABC Company Work Instruction
Purpose: To determine root cause for external nonconformance (customer complaints), internal nonconformance (rework, sort, subcontractor), and quality audit nonconformance findings.
Work description: Nonconformance-generated CPARs and DMRs are analyzed for apparent causes and root causes to determine corrective and preventive action to eliminate the problem and continuously improve the manufacturing process.
Safety considerations: Observe all written and oral safety instructions, appropriate checklists, and guidelines. Follow safe workplace practices.
Maintenance: None
Special Procedures: Check previous customer, internal, and quality audit CPARs and DMRs before proceeding with root-cause analysis.
Unstructured Methods Intuition Networking Experience 5-Whys |
Structured Methods Flow charting Brainstorming Histogram Cause and effect diagram Pareto graph Control charts Scatter diagrams Cross functional team |
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