Transcript Slide 1

When should root cause analysis
be performed?
When PROBLEMS occur !!
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Root Cause Analysis
How does it work?
Contain the problem…
PROCESS
A
PROCESS
B
PROCESS
C
PROCESS
D
CUSTOMER
Nothing is allowed to further
escape to the customer
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Root Cause Analysis
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2
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Step #3
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5
Immediate Action
• Must isolate effects of problem from customer
• Usually “Band-aid” fixes
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100% sorting of parts
Re-inspection before shipping
Rework
Recall parts/documents from customer or from storage
• Only temporary until corrective action is
implemented (very costly, but necessary)
• Must also verify that immediate action is effective
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Root Cause Analysis
Root Cause
Part reversed
Worker not sure of correct part orientation
Part is not marked properly
Engineering ordered it that way from vendor
Why?
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Root Cause Analysis
Cause and Effect
Procedures
Personnel
Lack of worker
knowledge
Poor project plan
Poor project
mgmt skills
Lack of resources
Didn’t complete
project on time
Inadequate
computer
programs
Materials
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Poor
documentation
Inadequate
computer system
Equipment
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Root Cause Analysis
Additional Resources
Quality Management Systems Solutions
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Root Cause Analysis