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Aerospace · Quality Manager · 6 minutes

Nadcap AC7108 Checklist

Chemical processing (AC7108) audit prep — run through each line item, upload evidence.

What it is

Nadcap AC7108 is the audit checklist for chemical processing (electroless nickel, chrome, anodize, passivation). It's the most detailed audit you'll face — hundreds of line items, evidence-driven. Passing gets you a Nadcap accreditation good for 12 or 24 months.

Menu: Plating → Aerospace → Nadcap AC7108.

The checklist

Pre-loaded on install with the full AC7108 checklist broken into sections:

  • Quality system
  • Process control (chemistry, temperature, time, agitation)
  • Equipment control (tanks, rectifiers, heaters, controllers)
  • Test equipment + calibration
  • Part/material control (incoming, WIP, finished)
  • Rework controls
  • Personnel qualification
  • Documentation + records

Each line is a checklist item with:

  • Requirement text
  • Our response (Yes / No / N/A with justification)
  • Evidence files
  • Reviewer + review date

Working through the checklist

Don't try to do it all in one sitting. Budget 1-2 sections per week, 6-8 weeks out.

For each item:

  1. Read the requirement carefully.
  2. Identify the SOP / record / evidence that answers it.
  3. Upload the evidence (PDF scan, screenshot, calibration cert).
  4. Set status + reviewer comment.
  5. If you can't satisfy it → status Gap, note what's needed, assign.

Gap closure

Dashboard tab:

  • Total items
  • Satisfied
  • Gaps
  • Not reviewed

Sort gaps by risk. Address high-impact first (process control, calibration, test equipment). Admin-style gaps (forms, signatures) can be closed in the final week.

Process runs + baseline data

Auditors ask for baseline process data:

  • Chemistry log trending (12 months)
  • Thickness data distributions
  • Scrap / rework rates
  • Non-conformance trending

All of this should be accessible through existing dashboards. The checklist item just links to the dashboard export.

Internal audit before the external audit

Schedule an internal AC7108 audit 4 weeks before the external. Use a peer (supervisor from a different shift, or an outside consultant). Run the entire checklist as if you were the external auditor. Findings → fix before the real audit.

Audit day-of

Auditor works through the checklist with you. For each item:

  1. You point to evidence in the system
  2. They review
  3. They mark satisfactory / not / observation

Keep tightness high — don't offer more than asked. Answer the question, show the evidence, move on.

Cert maintenance

Passed? Now:

  • Set the next audit date (12 or 24 months)
  • Keep the checklist current — when an SOP changes, update the linked evidence
  • Log any customer-driven process changes against their checklist line

What can go wrong

Auditor disagrees with our response

Record as an observation. Not automatically a finding. Discuss, clarify, provide additional evidence if available.

Finding at audit

NCR created immediately. Corrective action plan submitted within 30 days. Nadcap tracks closure.

Recurring finding year-over-year

Major red flag for Nadcap. Means the CAPA system isn't working. Escalate internally.