RAG in Practice — Part 7: Your RAG System Is Wrong. Here's How to Find Out Why.

Part 7 of 8 — RAG Article Series Previous: RAG, Fine-Tuning, or Long Context? (Part 6) The Team That Blamed the Model TechNova's RAG system worked well at launch. Return policy questions got correct answers. Troubleshooting queries surfaced the right procedures. The team shipped, moved on to other work, and checked the dashboard occasionally. Three months later, support tickets started referencing bad AI answers. A customer was told the return window was thirty days. Another got a troubleshootin