Vendor Selection & FAT/SAT for AIS: What to Prove Before IQ


Vendor Selection & FAT/SAT for AIS: What to Prove Before IQ

Published on 09/12/2025

Vendor Selection & FAT/SAT for AIS: What to Prove Before IQ

Pharmaceutical companies are increasingly adopting Automated Inspection Systems (AIS) to improve the accuracy and efficiency of visual inspections of drug products. The selection of an appropriate vendor and the successful execution of Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT) are foundational steps prior to conducting Installation Qualification (IQ). This comprehensive guide outlines a step-by-step approach to vendor selection, FAT/SAT processes, and the critical elements necessary for achieving compliant automated inspection systems.

Understanding the Importance of Vendor Selection in AIS

The selection of the right vendor for automated inspection systems is not merely a business decision; it is a pivotal element in ensuring product quality and compliance. In the highly regulated pharmaceutical industry, the choice of vendor can significantly impact not only the quality of the inspection but also the entire validation process. Factors such as the vendor’s experience, alignment with regulatory requirements, and technical support capabilities should be examined closely.

When selecting a vendor, organizations should consider the following:

  • Reputation and Compliance: It is essential to evaluate a vendor’s record regarding compliance with regulatory standards, such as US FDA, EMA, and WHO requirements.
  • Experience in the Pharmaceutical Sector: Review the vendor’s history and experience with AIS implementations in similar pharmaceutical environments.
  • Technical Support and Services: Assess the level of ongoing support, including troubleshooting and software updates, that the vendor provides.
  • Customization Capability: Ensure the vendor can tailor their solutions to meet your specific needs, including defect library creation and false reject rate determination.

By addressing these factors, pharmaceutical companies can significantly reduce the risks associated with integrating automated inspection systems into their processes.

Conducting Factory Acceptance Testing (FAT)

Factory Acceptance Testing (FAT) is a critical step in the validation lifecycle of an Automated Inspection System. FAT serves to verify that the AIS meets the predetermined specifications and regulatory requirements before the system is delivered to the user’s site. This process should be meticulously planned and executed for optimal results.

Planning for FAT

The planning phase for FAT involves several critical steps:

  • Developing a FAT Protocol: Create a detailed FAT protocol that outlines the objectives, scope, and testing criteria. This should include methods for examining functionality against the User Requirement Specification (URS).
  • Defect Library Development: Establish a defect library that will be used during testing to assess the system’s accuracy in identifying various product defects.
  • Stakeholder Involvement: Involve key stakeholders, including engineers, quality assurance personnel, and regulatory affairs experts, to ensure comprehensive evaluation and risk assessment throughout the FAT process.

Executing FAT

The execution of FAT should follow the established protocol to confirm that the automated inspection system functions as intended:

  • System Functionality Tests: Conduct a series of tests to determine whether the system can accurately identify defects as described within the defect library. Common tests include attribute sampling and use of challenge sets.
  • Software Validation: Validate that the software runs according to the specifications. This includes checking data management functionalities in compliance with 21 CFR Part 11.
  • Documentation: Document all findings during the FAT process. Any deviations or failures must be recorded, analyzed, and addressed accordingly.

Upon successful completion of the FAT, a FAT report should be generated, summarizing all testing efforts and results. This report is an essential deliverable for moving forward to the next validation phase.

Site Acceptance Testing (SAT) Guidelines

After successfully conducting FAT, the next stage in the validation lifecycle is Site Acceptance Testing (SAT). SAT focuses on ensuring that the automated inspection system operates correctly in the actual production environment. This stage verifies that any installation challenges specific to the site are handled appropriately.

Preparation for SAT

Just as with FAT, proper preparation for SAT is crucial:

  • Site Assessment: Perform an assessment of the installation environment to confirm its suitability for the AIS operation, including space, utilities, and environmental considerations.
  • Compliance Checks: Ensure that all site-specific regulations are considered, including compliance with Annex 1 and Annex 15 for the EU.
  • Defect and Challenge Set Review: Revisit the defect library and challenge sets established during FAT, adjusting them to the realities of the site deployment.

Conducting SAT

The SAT should address several key components as follows:

  • Installation Verification: Validate that the system is installed precisely as specified in the design documentation. Ensure all components are set up and operational.
  • System Performance Testing: Execute tests to verify that the system meets operational specifications under the actual working conditions. This should include visual inspection capabilities, sensitivity, and specificity checks.
  • User Acceptance: Engage end-users in the testing process. Users should perform trial runs using the defect library and challenge sets to confirm usability and effectiveness.

A thorough SAT, followed by proper documentation, will facilitate a seamless transition to the Installation Qualification (IQ) phase.

Transitioning to Installation Qualification (IQ)

Installation Qualification (IQ) is a validation phase that confirms the AIS has been installed correctly and functions according to the approved documentation. This phase relies heavily on the data generated from the FAT and SAT processes.

Preparing for IQ

Preparation for the IQ phase can be summarized in a few key activities:

  • Document Review: Assemble documentation from both FAT and SAT, use these records to inform IQ activities.
  • Workflow Alignment: Ensure that site workflows are aligned with the specifications and capabilities of the AIS to guarantee optimal performance.
  • Verify Data and Reporting Functions: Test data collection and reporting functionalities, ensuring compliance with regulatory requirements and firm internal policies.

Executing IQ

During IQ execution, the focus is on verifying that the automated inspection system is installed according to the specifications:

  • Protocols and Procedures Testing: Test all protocols and procedures associated with operation, calibration, and maintenance of the AIS.
  • System Configuration Checks: Confirm that system settings align with expected configurations outlined in the URS documentation.
  • Regulatory Compliance Verification: Ensure all aspects of the system comply with applicable regulations, including validation of user access controls as per 21 CFR Part 11.

Upon completion of IQ, an IQ report should be compiled summarizing the findings and affirming that the AIS was installed in accordance with the agreed specifications.

Conclusion: Ensuring Successful Validation of Automated Inspection Systems

The pathway to the successful validation of Automated Inspection Systems is complex and requires meticulous attention to detail at every stage—from vendor selection through FAT, SAT, and IQ. By adhering to a robust validation framework and regulatory requirements, pharmaceutical companies can enhance the efficacy of their inspection processes, reduce the false reject rate, and ensure the delivery of high-quality products to the market.

For ongoing compliance, facilities should consider implementing routine checks, trending analyses, and a robust Corrective and Preventive Action (CAPA) system. Continuous improvement in visual inspection qualification practices allows companies to adapt to new challenges and regulatory expectations, ultimately enhancing product safety and efficacy.