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Aerospace quality • nonconformance data

AS9131 Coding & Analysis Workspace

Use structured process, cause and corrective-action coding to turn nonconformance records into consistent, analysable quality data. Build a coding summary, document the problem context, and export a professional PDF record.

Recommended data flow
Nonconformance→Process→Cause→Corrective Action→Trend Analysis

AS9131 coding supports consistent reporting and analysis. It complements—not replaces—your NCR, MRB, RCA or 8D process.

1Record the nonconformance

Context first

Capture enough information to explain what happened before selecting codes. This reduces the risk of forcing the event into a convenient category.

2Process coding

Where did it occur?

Identify the process associated with the nonconformance. Use the search if you know a code, process name or keyword.

3Cause coding

Why did it happen?

Select the best-supported cause from your investigation. If the cause is only preliminary, record that in the notes and update the final record after RCA.

4Corrective-action coding

What changed?

Choose the action code that best describes the systemic corrective action, not simply the containment activity.

AS9131 Code Library

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Search all code types loaded from the SPI AS9131 Excel dataset. Click a result to apply it to the appropriate selector.

Special Processes Institute • Free engineering and quality web apps • Data is loaded from the SPI AS9131 Excel code file.