IXYS does confirm the root cause is still people’s discipline to mix NG and Good modules after testing, no skip of testOperational Creation- No defined locked location available for storage of defective part Operational Non-Detection- Defective part mixed with OK parts as no proper identification on individual defective part Systemic Creation- Process study was not done for sub contractor to study potential failures Systemic Non Detection- Man dependent operation to keep defective part separate after inspection