Meeting AS9100 Requirements with Automated Inspection
How an aerospace electronics manufacturer eliminated audit findings, dramatically reduced inspection labor, and built a complete digital traceability system through automated inspection.
Zero
Audit Findings
45%
Labor Reduction
100%
Digital Traceability
3x
Throughput Increase
Company Overview
Industry
Aerospace & Defense Electronics
Production Volume
45,000 assemblies/year
Products
Avionics, radar systems, satellite communications
Certifications
AS9100D, ITAR registered, NADCAP
This aerospace and defense electronics manufacturer produces mission-critical avionics, radar processing units, and satellite communication modules for both military and commercial aerospace customers. Operating under AS9100D quality management system requirements and ITAR (International Traffic in Arms Regulations), the company maintains the highest levels of quality assurance and security. Their products endure extreme operating conditions and must demonstrate exceptional reliability over 20+ year service lives.
The Challenge
Aerospace manufacturing combines low-to-medium volumes with extremely high reliability requirements and rigorous documentation standards. The company's reliance on manual inspection processes was creating systemic issues that threatened their competitive position and certification status.
AS9100 Audit Findings
Two consecutive AS9100D surveillance audits identified findings related to the company's inspection processes. The auditor noted that manual visual inspection did not provide sufficient measurement capability for the fine-pitch components used in modern avionics. Additionally, inspection records relied on paper-based checklists that were difficult to audit and did not meet AS9100D requirements for documented evidence of conformity. A third finding in the next audit cycle would trigger a major nonconformity review.
Manual Inspection Inconsistencies
The company employed 14 certified IPC-A-610 inspectors working across two shifts. Despite regular training and recertification, inter-inspector variability was significant. A correlation study revealed that inspectors agreed on only 78% of defect dispositions, with the greatest inconsistencies occurring on borderline solder joint conditions for fine-pitch QFPs and micro-BGAs. This variability created quality risk and was a frequent source of customer disputes on rejection decisions.
Documentation and Traceability Gaps
AS9100D Clause 8.5.2 requires organizations to use suitable means to identify outputs with respect to monitoring and measuring requirements throughout production. The company's paper-based inspection records took an average of 15 minutes per board to complete and were prone to errors and omissions. When a customer required traceability data for a specific serial number, retrieving the records from physical archives took 2-4 hours. For NADCAP audits, the documentation preparation alone consumed two full weeks of quality engineering time.
Inspection Bottleneck Limiting Growth
Manual inspection was the production bottleneck, with each board requiring 20-45 minutes of visual inspection time depending on complexity. The company had won a significant new avionics contract that would increase production volume by 40%, but they could not hire and certify enough additional inspectors to support the increased throughput. Lead times were stretching beyond customer expectations, and the company risked losing the contract.
The Solution
ASC International designed a comprehensive automated inspection solution that addressed both the quality and documentation challenges specific to aerospace manufacturing. The system was engineered to complement rather than entirely replace human inspectors, keeping experienced personnel focused on the highest-value inspection tasks.
Full Inline Inspection Coverage
ASC deployed 3D SPI and 3D AOI systems inline on both production lines, providing 100% automated inspection of every solder paste deposit and every post-reflow solder joint. The systems were programmed to aerospace-specific IPC Class 3 acceptance criteria, providing objective and repeatable inspection against documented standards.
- ✓IPC-A-610 Class 3 criteria programmed into all inspection algorithms
- ✓100% coverage of every pad and joint - no sampling, no skip
- ✓Consistent, objective measurement eliminating inter-inspector variability
- ✓Detection of defects invisible to manual inspection (paste volume, hidden joints)
Automated Reporting and Documentation
The ASC system generates comprehensive digital inspection records automatically for every board inspected. Reports include 3D images of every flagged condition, measurement data, pass/fail disposition, and operator review notes - all linked to the board serial number and stored in a searchable database.
- ✓Automatic generation of First Article Inspection (FAI) reports per AS9102
- ✓Digital inspection records with images, measurements, and timestamps
- ✓Searchable database with instant retrieval of any serial number record
- ✓Automated NADCAP and AS9100 audit report generation
Integrated Traceability Architecture
The inspection systems were integrated with the company's existing ERP and MES platforms, creating a unified traceability system. Every inspection data point is linked to the board serial number, work order, operator, date/time, and environmental conditions, providing the complete traceability chain required by aerospace customers and regulators.
- ✓Bi-directional ERP/MES integration for complete production traceability
- ✓Barcode/2D matrix serial number scanning for board identification
- ✓Environmental data logging (temperature, humidity) linked to inspection records
- ✓Secure data architecture meeting ITAR cybersecurity requirements
Results
The ASC automated inspection solution resolved every audit finding, dramatically reduced inspection labor requirements, and positioned the company to support growth without proportional headcount increases.
Zero
Audit Findings
Next AS9100D surveillance audit completed with zero findings for the first time in three years
45%
Inspection Labor Reduction
From 14 inspectors to 8, with remaining staff focused on complex review and disposition
100%
Digital Traceability
Complete digital records for every board, instantly retrievable by serial number
3x
Inspection Throughput
From 20-45 minutes manual to 3-8 minutes automated per board
Operational Improvements
| Metric | Before | After |
|---|---|---|
| AS9100 audit findings | 2-3 per audit | Zero |
| Inspection labor (FTEs) | 14 | 8 |
| Inspection time per board | 20-45 minutes | 3-8 minutes |
| Inter-inspector agreement | 78% | 99.8% |
| Record retrieval time | 2-4 hours | Under 10 seconds |
| NADCAP audit prep time | 2 weeks | 2 days |
| Annual inspection labor savings | - | $420,000 |
Strategic Impact
- ✓New avionics contract secured - The 40% volume increase was absorbed without additional inspection staffing, winning the contract worth $8.5M over five years.
- ✓NADCAP accreditation maintained - The digital traceability system was praised by NADCAP auditors as a best practice example for the industry.
- ✓Customer confidence improved - Major defense prime contractors specifically cited the automated inspection capability when awarding new programs.
- ✓Experienced inspectors redeployed - Six senior inspectors transitioned to higher-value roles in process engineering and quality analysis, improving retention.
"Our AS9100 auditor told us our inspection process went from being a weakness to a strength in a single audit cycle. The ASC system doesn't just inspect boards - it generates the documentation that aerospace programs demand. When a prime contractor asks for inspection data on a serial number from two years ago, we pull it up in seconds. That capability has become a competitive advantage we didn't anticipate."
Director of Operations
Aerospace & Defense Electronics Manufacturer
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