Implement the practice of Root Cause Analysis (RCA)

Version 1 - Last updated 24 Sep 2025

If a non-conformity is found in the final product for customer-specific or regulatory reasons regarding restricted substances, facilities should implement a root cause analysis (RCA) that includes:

  • Trace the affected batch of finished materials back to the exact input material batches used in its production.
  • Identify the supplier(s) associated with those input materials.
  • Investigate the identified input material batch and associated supplier for:
    • Supporting documentation such as self-declarations, test reports and certifications linked to the input batch.
    • Root cause i.e potential contamination or intentional use or other factors.
    • Supplier's history of compliance and any previous issues.
  • Document all findings and conclusions from the RCA process.
  • Identify the root cause and possible solutions.
  • Document and execute corrective actions to address the specific issue.
  • To avoid similar incidents in the future, take preventive steps.

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