About
Daniel Crouse is the founder of QualityEngineer.ai. He built the platform after spending 15+ years working in supplier quality, PPAP documentation, and manufacturing quality systems, and seeing firsthand how much engineering time gets swallowed by manual documentation and disconnected spreadsheets.
QualityEngineer.ai is the result: an AI-powered quality engineering platform that connects APQP, PPAP, PFMEA, Control Plans, CAPA, and statistical tools in one traceable workflow. The goal is to give quality engineers their time back so they can focus on the actual engineering problems, not the paperwork.
Daniel writes about PPAP, APQP, IATF 16949, supplier quality, and how AI is changing the manufacturing quality landscape. His writing is grounded in real project experience, not theory.
Articles by Daniel
CAPA Effectiveness Verification: How to Prove a Corrective Action Actually Worked
Most CAPAs close before anyone confirms the fix held. This is what corrective action effectiveness verification requires under ISO 9001 and IATF 16949 clause 10.2.1, how to set objective acceptance criteria, how long to keep the CAPA open, and the audit findings that catch a verification that was a signature instead of a number.
May 27, 2026
Counterfeit Parts Prevention: How AS5553, AS9100 Clause 8.1.4, and DFARS Fit Together
A practical guide to counterfeit parts prevention for aerospace and defense suppliers. How AS5553, AS9100D Clause 8.1.4, and DFARS 252.246-7007 connect, what a counterfeit avoidance system actually requires, the authorized distributor rule, GIDEP reporting, and AS6171 test methods.
May 20, 2026
AS9102 First Article Inspection: How Form 1, Form 2, and Form 3 Fit Together Under Rev C
A practical guide to the AS9102 First Article Inspection report under Rev C. Form 1 part accountability, Form 2 material and process verification, Form 3 dimensional results, when an FAI is required, how to handle re-accomplishment, and what changed from Rev B.
May 17, 2026
How to Close a CAPA So It Actually Stays Closed
Most CAPAs close on paper, not on the floor. Here is what end to end CAPA closure looks like when 5 Why, Fishbone, Decision Tree, and an audit trail live in one workflow instead of four tools, and why effectiveness verification is the difference between a closed record and a recurring defect.
May 13, 2026
Surface Finish Per Balloon: Why Ra, Lay, and Machining Allowance Belong on Every Characteristic
Most drawing extraction tools dump surface finish into a notes block and call it done. Here is why per balloon surface finish extraction matters for inspection plans, and what it takes to parse Ra, Rz, lay direction, and machining allowance into structured data the way ASME Y14.36 and ISO 1302 actually intend.
May 10, 2026
AS9100 Internal Audit Checklist: What Aerospace Quality Teams Need to Cover
A practical AS9100D internal audit checklist for aerospace quality engineers. Covers all clauses, the aerospace-specific adders to ISO 9001, common Rev D findings, and how AS9100 differs from AS9102 and NADCAP.
May 6, 2026
PFMEA Software vs Templates: When Spreadsheets Stop Working
Excel-based PFMEA templates work for one program at a time. They break the moment Action Priority ratings need to propagate to a Control Plan, a process step revision lands mid-program, or three engineers edit the same workbook. PFMEA software solves the propagation problem the AIAG-VDA 2019 handbook now expects you to solve.
April 29, 2026
PPAP Software: How Purpose-Built Tools Reduce Submission Rework
PPAP submissions get kicked back for the same handful of reasons: missing elements, inconsistent revisions, mismatched characteristics. PPAP software solves the rework problem by enforcing structure across the 18 elements before the package leaves your hands.
April 26, 2026
APQP Software vs Spreadsheets: Where Excel-Based Programs Break Down
Managing APQP in Excel works for one program. At three or more simultaneous launches, spreadsheet-based APQP creates version control chaos, missed milestones, and disconnected documents that collapse at phase gate reviews.
April 22, 2026
8D vs CAPA: What's the Difference and When to Use Each
8D and CAPA are not the same thing. 8D is a problem-solving methodology. CAPA is a quality system requirement under IATF 16949. Conflating them causes audit findings and customer rejections.
April 19, 2026
Gauge R&R Acceptance Criteria: %GRR, NDC, and What AIAG MSA Requires
The AIAG MSA 4th Edition sets specific thresholds for Gauge R&R studies. This guide explains what %GRR and NDC mean, which values trigger rejection, how to interpret your results, and what to do when your measurement system does not pass.
April 15, 2026
Control Plan in Manufacturing: What Goes in It and How to Build One
A column-by-column breakdown of the manufacturing control plan: what each field requires, how it connects to your PFMEA, and what auditors actually check under IATF 16949 Clause 8.5.1.
April 12, 2026
Cpk vs Ppk: Which Process Capability Index to Use for PPAP
Cpk and Ppk measure process capability differently and are not interchangeable on a PPAP submission. Here is what each one measures, which sigma each uses, and what PPAP Element 11 actually requires.
April 12, 2026
Process FMEA (PFMEA): A Practical Guide for Automotive Quality Engineers
How to build a Process FMEA that holds up under customer review and IATF 16949 audit scrutiny — including the AIAG-VDA 2019 shift from RPN to Action Priority.
April 5, 2026
Blueprint Intelligence Just Got a Major Upgrade: Deep GD&T, Thread Parsing, Weld Symbols, and More
Blueprint Intelligence now classifies drawings by manufacturing domain, parses GD&T feature control frames, extracts thread callouts and welding symbols, and recommends measurement methods automatically.
April 2, 2026
IATF 16949 Internal Audit Checklist: What Every Quality Engineer Needs to Know
A practical IATF 16949 internal audit checklist covering all major clauses, common findings, and tips for running audits that actually prepare you for certification.
March 26, 2026
What is APQP? Advanced Product Quality Planning Explained
A comprehensive guide to Advanced Product Quality Planning (APQP) — the 5 phases, key deliverables, how it connects to PPAP, and why it's the backbone of automotive supplier quality.
March 9, 2026
What is PPAP? A Complete Guide for Quality Engineers
Everything quality engineers need to know about PPAP — definition, the 18 elements, submission levels, common mistakes, and how AI is changing the process.
March 8, 2026
