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From the device history record for component pwtb04-stm, lot number 20200701-23-sh was completed on 07/23/2020.No exception was recorded in the device history record that could lead to the reported incident.The average linting data is 0.187g / 10 pieces.No sample was available for this investigation.From the investigation, there is no abnormal situation which occurred in production or in device history record, therefore, the root cause could not be determined.As a preventative measure we have added a router statement: ¿guidewire bowls and basins must be upside down.All linting components must be in plastic bags.¿ we will continue monitoring customer complaints for trends, which may require further investigation.According to our supplier, or towel is made of cotton, so cotton fiber is born.Supplier continuously working with cah to better control the linting and have implemented several measures to improve it: suctions machines have been installed in grey cloth rolling process, dyeing process and cutting process the suction process was added before product's final folding, and workers do it according to standard operation procedure requirement.Linting test method and acceptable criteria was stipulated to see the suction results.(b)(4).In the folding process, supplier used one cloth pad under 100pieces semi-finished products to avoid linting stuck onto the products during product's transfer.From the device history record for component 9545ncf, lot number 1670b41 was manufactured from 15th to 17th jun 2020.No exception was recorded in the device history record that could lead to the reported incident.As no sample was available for investigation, the root cause could not be determined.No corrective action will be taken at this time.We will continue monitoring customer complaints for trends, which may require further investigation.
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