What Not to Tell an Auditor During an AS9100 Audit

What Not to Tell an Auditor During an AS9100 Audit

Introduction What not to tell an auditor during an AS9100 audit is rarely covered in training yet frequently causes avoidable findings. Auditors assess objective evidence and system effectiveness, but how information is presented can expand scope, trigger deeper sampling, or create unnecessary risk. Why wording matters during an AS9100 audit Auditors follow trails. Casual statements, […]

AS9100 Clauses List Explained Clear Breakdown of Clauses 4–10

AS9100 Clauses List Explained Clear Breakdown of Clauses 4–10

Introduction The AS9100 clauses list defines the structure of an aerospace quality management system. Clauses 4 through 10 contain all auditable requirements. Understanding how these clauses interact improves implementation, audit readiness, and long-term system effectiveness. AS9100 clauses list overview AS9100D follows the ISO high-level structure. Clauses 0–3 provide scope, references, and definitions but do not […]

Do You Have to Answer an AS9100 Audit OFI?

Do You Have to Answer an AS9100 Audit OFI?

During an AS9100 audit, organizations often receive OFIs, or Opportunities for Improvement. These can cause confusion because they appear in audit reports alongside nonconformities but carry a very different meaning and obligation. The short answer is no. You are not required to formally answer or close an OFI in the same way as a nonconformity. […]

AS9100D Supplier Quality Management Best Practices – Build, Control, and Audit a Compliant Supply Chain

AS9100D Supplier Quality Management Best Practices – Build, Control, and Audit a Compliant Supply Chain

Why Supplier Quality Drives AS9100D Outcomes Supplier performance directly affects product conformity, delivery, and customer satisfaction. Clause 8.4 failures frequently lead to major nonconformities because external providers influence risk outside direct operational control. Common audit triggers include:• Unclear supplier approval logic• Weak requirement flow-down• Inconsistent monitoring methods• Reactive corrective action handling Strong supplier quality systems […]

Cause and Effect Analysis: Beyond the Fishbone Diagram

Cause and Effect Analysis: Beyond the Fishbone Diagram

Cause and effect analysis is one of the most widely recognized methods used in quality management to understand why problems occur. Commonly associated with the Ishikawa or fishbone diagram, the method provides a structured way to examine how multiple factors may contribute to an undesired outcome. Despite its familiarity, the method is often applied superficially. […]

How to Audit Top Management Per AS9100D Clause 5

How to Audit Top Management Per AS9100D Clause 5

Auditing top management under AS9100D clause 5 focuses on leadership behavior, accountability, and integration of the quality management system into business operations. The audit evaluates how executives actively lead and support the QMS through decisions, actions, and resource allocation. Clause 5 addresses leadership and commitment, the quality policy, and assignment of organizational roles and authorities. […]

Questions to Ask About Documentation During an Aerospace Audit

Questions to Ask About Documentation During an Aerospace Audit

Introduction Aerospace audits depend on traceable, well-controlled documentation. Asking focused questions helps determine whether documents support compliance, reflect current practices, and maintain accuracy across all operations. Document Version Control Key points to review • How documents are approved, revised, and released• How older versions are removed from use• How staff confirm they are using the […]

AS9100 Audit Finding Write-Ups: How to Document Clear, Effective Findings

AS9100 Audit Finding Write-Ups: How to Document Clear, Effective Findings

Writing clean, accurate, and actionable AS9100 audit finding write-ups is essential for internal audits, supplier assessments, and external certification audits. Poorly written findings lead to confusion, weak corrective actions, and repeat issues. Strong write-ups provide clarity, traceability, and a direct path to effective correction. This guide explains how to structure AS9100 findings and includes detailed […]

AS9100D Shall Requirements Explained: Reference Guide for Aerospace & Defense Quality Teams

AS9100D Shall Requirements Explained: Reference Guide for Aerospace & Defense Quality Teams

Understanding AS9100D requirements remains one of the most common challenges for aerospace and defense suppliers. Clause language—especially the repeated use of shall, should, may, and can—creates uncertainty during audits and system implementation. Many nonconformities are linked to misunderstanding what the requirement actually demands rather than any breakdown in the process itself. When the language of […]

AS9100D Internal Audit Sampling: How Much Evidence Is Enough?

AS9100D Internal Audit Sampling: How Much Evidence Is Enough?

Understanding Sample Size in AS9100D Internal Audits AS9100D does not dictate how many records, parts, or transactions to sample during an internal audit. Instead, auditors must select a size sufficient to achieve audit objectives while considering process risk, past performance, and available evidence. The goal is to gather enough objective evidence to confirm conformity or […]