"Operator Error" Is Not a Root Cause: Why the Same Complaint Comes Back
Why the same customer complaint returns after the 8D is closed, what to write instead of "operator error", and five checks before you close an 8D.
26 October 2026 · 6 min read
What is QRQC? The Meeting, the Board and the 24-Hour Loop
QRQC meaning for automotive suppliers: how the daily QRQC meeting and board work, and the 24-hour loop that stops a defect before it reaches the customer.
21 October 2026 · 7 min read
The 7QC Tools Aren't Weak — You're Just Using Them Wrong
Simple problems don't need complex tools. Why the 7 QC tools work best used in sequence, from flowchart to control chart, with a free Excel template.
28 May 2026 · 3 min read
Articles
Problem solving
QRQC, 5 Why, 8D, A3 and the 7 QC tools: finding the real cause of a problem on the floor, and making sure it stays fixed.