11/06/2026
A plant was quietly losing half a million euros a year. Nobody was looking for it, because on paper, nothing was wrong. The machines ran. The reports were green. The OEE numbers were the envy of the sector.
I showed up on a Monday with a pen and one sheet of paper. No laptop. No dashboards. I picked a single part and followed it from the moment it arrived at the dock to the moment it shipped.
Four hours later I had the answer.
Actual time spent being worked on: 23 minutes. Everything else was days. Waiting for a forklift. Waiting for a quality sign-off. Sitting in a queue behind three other batches. Waiting for a manager to make a decision that should have taken thirty seconds.
I showed the director the sheet. He looked at it and said, "But our OEE is 85%."
He was right. His machines were efficient. His system was broken. Those aren't the same thing, and mixing them up is one of the costliest mistakes you can make in a factory. Equipment utilization tells you how busy your machines are. It says nothing about how long your customer waits.
And the customer never sees your OEE. They see lead time. You can run the busiest line in your industry and still lose the order to the shop that ships in 2 days, while you take 5. Your machines being busy isn't what the market feels. The wait is.
Here's the part that stayed with me. It wasn't the number. It was that the director had walked past this for years. Not because he was careless, the man was sharp, but because the waste was invisible from his office. It only turned real when he watched his own part sit still, day after day, on a single sheet of paper.
That is almost always how it works. People don't change because someone explained flow to them in a meeting. They change when they see the cost of standing still with their own eyes.
So here is the question worth sitting with: in your operation, where does a part, an order, or a decision spend more time waiting than being worked on? You probably already suspect where. The hard part is being willing to follow it and look.
If mapping that gap in your own plant sounds useful, this is exactly the kind of realization I help teams reach, fast, and in a way they don't forget. Connect with me, visit the site, or book a short call, and I'll show you how.