Supplemental report is being filed since the results of investigation are available.From the device history record, lot# 20210120-23-sh was finished on 26th jan 2021.No exception was recorded in the device history record that could lead to the reported incident.Based on supplier investigation, device history record (dhr) review did not indicate any exception that could lead to the reported incident.Supplier checked on their retained sample, the sample is intact without any lint on it.No physical sample was available for investigation.A photo was provided showing blue lint on the towel.According to the supplier, before production operation, the staff shall clean the equipment according to requirements and clean the lint on the equipment before operation.Supplier performed suction after the sewing, which can remove the foreign matters on the towel.The workers also do the visual test for every piece of product when folding.The lint in the complaint photo can be removed by employees, and it can also be removed in the suction process.In the folding process, supplier used one cloth pad under 100 pcs semi-finished products to avoid linting stuck onto the products during products' transfer.In the production process, employees clean the worktable every 2 hours.The foreign matter is always being controlled as a main defect factor.The process sampling criteria is aql:0.25.For the final product, it is i, aql:0.65.They checked the dhr, no record of foreign matter was found.Supplier confirmed this is an isolated incident and the root cause cannot be determined.
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