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4M Change Management Checklist
4M Change Management Checklist
Screen quality risks on Man/Machine/Material/Method changes.
Change Type
—
Man
Machine
Material
Method
Approver
Description
Man
New operator trained
SOP read and understood
Certifications valid
Machine
Alignment verified after swap
Trial run and first-article inspection
Parameter settings recorded
Material
New material COA verified
Supplier change approved
Lot traceability ensured
Method
Revised SOP distributed
Inspection criteria updated
Initial production special control
0 / 12 checked
More review needed