Incomplete Assembly FAI Due to Missing Sub-Tier Reports and Signatures
Published .
Topics
- fai
- assembly
- sub-tier-management
- documentation
- supplier-quality
- as9102
A supplier submitted a First Article Inspection (FAI) package for a top-level assembly. The package contained inspection data for the final assembly process itself. However, the assembly was composed of multiple sub-assemblies and detail parts produced by various sub-tier sources.
The customer's review found the FAI package was non-compliant because it failed to include or properly reference the complete FAI reports for the constituent sub-level parts. Additionally, the top-level FAI form was missing distinct signatures for the verification and approval fields, indicating an incomplete internal review process.
Key Takeaways
- The FAI package was rejected, delaying production part approval and shipment.
- The supplier was required to gather all sub-tier FAI reports, properly index them on the top-level assembly's Form 1, and ensure the entire package was formally re-reviewed and signed before resubmission.
- The customer's review found the FAI package was non-compliant because it failed to include or properly reference the complete FAI reports for the constituent sub-level parts.
Best Practice
Verify that FAI packages for assemblies are complete by including or indexing all required sub-level FAI reports per AS9102. Furthermore, strictly adhere to the signature requirements on Form 1, ensuring distinct individuals perform and document the verification and approval steps to validate the package's integrity.
Reflects the recommended position based on community discussion and expert review.
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