major defect

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major defect

[′mā·jər ′dē‚fekt]
(industrial engineering)
Defect which causes serious malfunctioning of a product.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Starting in 1976, when Michael Fagan published his seminal article[2], the Fagan Inspection method (including such close variants as Tom Gilb's Inspection[3]) has come to dominate both the theory and practice of review.
The entire project team was then trained in the inspection process through a 3-day seminar, presented by Unisys Quality Assurance personnel trained in Fagan inspections.
His method, informally known as Fagan inspections, is a combination of a formal review, an inspection, and a walkthrough.