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Assignable Cause Log Template

Abstract: The Assignable Cause Log is used with process measures and control plans to document out-of-control situations occurring from nonrandom or assignable causes. A separate log is maintained for each control plan measure.

Write the name of the measure in the Control Plan Measure field and the date of the incident in the first Date field. Investigate to determine the root cause of the incident, and write an explanation in the Assignable Cause Detail field. Include the type of analysis conducted, as well as the tools used (e.g., brainstorming session, data collection check sheet, etc.) Take the action necessary to remove the root cause of the variation, and write the action taken in the Action Taken field. Write the date action was taken in the second Date field, and file with the appropriate Control Plan measure.

Keywords: Tools and Templates - DMAIC: Control

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