When a process, product, or raw material is out of specification, it is called a nonconformance. Inspections, audits, and surveillance will occasionally uncover nonconformance or defects. Nonconforman...When a process, product, or raw material is out of specification, it is called a nonconformance. Inspections, audits, and surveillance will occasionally uncover nonconformance or defects. Nonconformance problems are placed in one of three categories based on the product defect: critical, major, and minor.