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What are your countermeasures to reduce defect rate?

Defect rate reduction is done in several ways as follows:

  1. When the defect rate is tolerable (that is, within the AQL or the “Acceptable
    Quality Level”), the data is recorded and put under monitoring.
  2. When the defect rate is not tolerable (in this case, it is above the AQL), the
    problem is reported in a “LOT OUT” procedure for the concerned entity to
    investigate the root cause and implement measures.
  3. On a monthly basis, the defect rate data is gathered and analyze with the use of
    the PARETO graph. The top 5 problems are identified. The top five problems are
    then acted upon with measures implemented and monitored for improvement in
    the succeeding months. This is reported in a monthly quality meeting and is
    discussed for further improvement action.