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May 2026 (reflecting INPO document control practices as of this date).

If your organization lacks direct INPO access, contact your industry cooperative (e.g., NEI or WANO) to request assistance. Never risk downloading AP 928 from unverified public websites. Keep your nuclear documentation clean, controlled, and compliant. This guide was prepared by a nuclear quality and regulatory compliance specialist with over 15 years of experience in INPO document management systems.

Introduction In the nuclear power generation industry, documentation from the Institute of Nuclear Power Operations (INPO) is considered the gold standard for operational excellence and safety culture. Among the many INPO documents, AP 928 (often referred to as AP-928) holds a critical role, particularly concerning corrective action programs, performance improvement, and root cause analysis.