Understanding the term general defect in an inspection report
When performing an inspection based on the AQL samping rule, the quality inspector usually checks the workmanship of the manufactured goods and reports the defects found in a defect table. This table provides 2 kinds of results: the defects result based on the AQL and the general defect result. What is the meaning of the general defect result in an inspection report? Why are those defects separated from the others?
Defects according to AQL in an inspection report
The defects identified by the QC staff while checking the samples are listed in a table. In this table, for each defect described, the QC inspector provides the number of samples where the defect was found and the defect classification – critical, major or minor defect.
There can be various defects in one sample, the QC inspector will describe the nonconformity and classify it accordingly.
A QC inspector inspects 50 radio samples and finds different scratch sizes and holes depending on the sample.
Small scratches are found on 8 samples and big scratches on 2 samples.This result is presented in the above table as followed: “A1 | Scratches | 0 critical, 2 major, 8 minor”.
The QC inspector also found one minor defect (small scratch) and one major defect (a hole) combined on 1 sample. The defective sample will be classified as major and this result will be presented in the above table as followed: “A2 | Scratch + Hole | 0 critical, 1 major, 0 minor”.
Stating general defect in an inspection report
General defect listead defects identified during the inspection, however they are shown separately in the inspection report. Those defects have been found in a higher percentage than the other defects: on more than 10-20% of the samples inspected.
As shown in above example, a defect can appear in combination with many other defects. To avoid having several combination of defect description mentioning the same defect, i.e.: “Dust + scratch”, “Dust + stain”, the “Dust” defect is separated from the other defects found and mentioned in the general defect section.
The general defect is separated from the other defects to give the buyer a simple and clear overview of the product workmanship quality.
During the inspection of the 50 radios, the QC finds a poor logo printing on 15 radios. It represents 30% of the inspected goods. On those 15 radios, the QC inspector also found another defect: the 2 major scratch and the 8 minor scratch mentioned previously. The poor logo printing defect will be separated from the scratch defect, and considered as a general defect, as presented in the above table.
Get a deeper understanding
The above explanation is a simplified version. For the ones interested in getting a deeper understanding on the reasons why the general defect is separated from the other defects, please visit our website.
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