Test mark showed the part passed EOL Electrical and Optical test before MD deliveryMicroscope check result showed there was no obvious abnormality, terminal was visible and insulator hole was not enlargedX-Ray analysis result showed there is no obvious abnormality, no loosen shielding wire on connector Disassemble analysis result showed there was no abnormality on straight connector and angle connectorCheck the production order for failure part, which showed the crimping height were ok.Check the production order for failure part, which showed the sketch result is ok.Check the CPK for crimping height of terminal, the CPK is 3.98, the process capability is ok