THE COPLAIN BLOG
Document control best practices, revision management, and QMS documentation for manufacturing.
6 articles
The standard is clear. The interpretation varies wildly. After sitting through a BSI audit, here's what they actually look for — and what gets you a major finding.
Red-line markups on printed procedures. Email chains with 'Final_v3_FINAL_USE_THIS.docx'. If this sounds familiar, you're not alone. Here's the revision control system that actually sticks.
Creation, review, approval, distribution. Every document control audit failure traces to one of these four pillars. Here's how to build all four correctly — including the obsolete document step everyone skips.
Using these terms interchangeably creates documentation hierarchies that confuse auditors and fail operators. Here is a precise definition of each, with real manufacturing examples and how ISO 9001 and AS9100 reference both.
ISO 9001 doesn't prescribe a format for work instructions — but auditors know immediately whether yours control your processes or just document them. Here are the seven required elements and exactly how to write each one.
Most documentation failures happen when you write a hybrid — a document that tries to serve both the auditor and the operator and ends up serving neither. Here is a practical decision framework for determining which type of document a given process actually needs.