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Preventing 8D Rejection Before It Reaches the OEM

Why the Traditional 3-Legged 5-Why Breaks at Scale — and How AI Restores Rigor Without Slowing the Business



Rick Heilshorn
Oct 282 min read


Rick Heilshorn
Sep 301 min read


Rick Heilshorn
Sep 281 min read


Rick Heilshorn
Sep 251 min read


Rick Heilshorn
Sep 211 min read
Blog


Reasoning R&R™: What We Found When We Measured Our Own AI
What happens when you measure an AI quality workflow like a manufacturing measurement system? MAD-Ai evaluated 2,370 criterion judgments and found 93.2% repeatability and 99% reproducibility—while also uncovering ambiguous criteria and an input-format failure that normal use did not reveal.

Rick Heilshorn
Oct 21


Your Gages Are Qualified. Is Your AI?
It's tempting to blame declining quality outcomes on the people doing the work, but the data points elsewhere: 2.8 million manufacturing job openings are projected through 2033 from retirements alone, roughly a third of adults score at the lowest measured levels of numeracy, and 79% of manufacturing leaders call the labor shortage their top challenge, while only 29% expect quality headcount to grow. Institutional knowledge has to live somewhere other than the next senior hire

Rick Heilshorn
Sep 30


What We Heard on the AIAG Show Floor
After two days at Booth #240 running the Quality Suite against real 8Ds and PPAPs, one question came up over and over, phrased a dozen ways: how do we know an AI system is actually right, not just confident? This post covers why that's exactly the point of Reasoning R&R™: reasoning first, then repeatability, then reproducibility, because a system can be perfectly consistent and still be consistently wrong. The offer for anyone who missed the booth still stands: bring your las

Rick Heilshorn
Sep 25


Consistency Means Nothing If It's Consistently Wrong
That's the line Rick Heilshorn opened with on stage at the AIAG Quality Summit, and this post lays out the argument: it's easy to build an AI system that gives the same answer every time, but perfect repeatability means nothing if the answer is wrong. Reasoning R&R™ checks whether an evaluation agrees with a known standard first, then whether it repeats, then whether it reproduces across reviewers. On MAD-Ai's own workflow, that order held up at 93.2% repeatability and 99% re

Rick Heilshorn
Sep 23


What I'm Bringing to the AIAG Stage This Year
Ahead of his AIAG Quality Summit session, "Digitizing Quality Engineering Execution with AI," Rick Heilshorn previews the argument: general AI doesn't give a quality engineer a second opinion, it gives them their own opinion back with better formatting. This post walks through the Reasoning R&R™ study behind the talk (2,370 grading decisions, 93.2% repeatability, 99% reproducibility) and what it caught that years of normal use hadn't, plus where to find the team at Booth #240

Rick Heilshorn
Sep 16


Introducing Reasoning R&R™
Manufacturing doesn't trust a gage until it's proven repeatable and reproducible. This post introduces Reasoning R&R™, which applies that discipline to AI: does an evaluation match a known correct answer, does it repeat under the same conditions, and do different reviewers land in the same place. Running the framework on MAD-Ai's own 8D grading workflow surfaced 2,370 grading decisions, 93.2% repeatability, and 99% reproducibility between reviewers, plus twelve rubric criteri

Rick Heilshorn
Sep 9


Has Your AI Been Qualified?
A general-purpose AI and a purpose-built quality workflow were tested on the same automotive 8D scenario, then pushed with four escalating follow-up questions. By the fourth, the general AI called an unchanged closure "auditor-proof," though no new evidence had been introduced. This post looks at why that happens, what AI sycophancy means for a quality department, and why "is the AI good" is the wrong question. The real one: has the system been qualified, the way you'd qualif

Rick Heilshorn
Sep 3
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