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Device evaluation: no lot number provided from customer.Received customer analytical report gp0-mst-25-1416-inv determined by ftir-atr to be 100% polyester on (b)(6) 2025.Sample arrived (b)(6) 2025.Cmp blue gowns are made from 99% polyester and 1% carbon.Polyester, technically known as polyethylene terephthalate (pet), is a synthetic woven material derived from petroleum.Known for being incredibly durable, versatile, and relatively inexpensive to produce, polyester has become the most widely used fiber in the textile industry.¿ accounting for roughly half of the overall fiber market and around 80% of synthetics fiber.According to industry data, in 2018, polyester constituted 52% of global fiber production, amounting to 55 million metric tons produced annually.In 2020, global polyester fiber production increased to 57.1 metric tons.As there is no lot number associated with this complaint the dhr's for the last 4 lots of ha-001 were reviewed for loose particulate.Lots 23ko1c, 24b25c, 24h17c, 24h18c were reviewed and found to have correct line clearance records, all quality inspections ansi/asq z1.4 at an aql level of 0.65 passed with no defects noted.There were no non-conformance reports (ncmr) for these lots.One lot 24b25c was noted to have 12 rejects recorded in production for loose particulate.This was noted in reject recording section of inner and outer pouching.No further information was noted.Reviewed raw material lots (53248, 54167, 54168) for the inner pouch 028-mccppn7.255.87 and lots (53391, 54244) for the outer pouch 028-mcppn8.507.75 for non-conformance reports for particulate - no ncmr's were noted for these lots.Reviewed customer complaints of the last four years and there are no complaints noted for ha-001 (or ha 005) for loose particulate, hairs or fibers.Reviewed training for op 00.020, employee clothing, health and personnel practices which has the employee gowning process included - all personnel have been trained to this procedure.Conclusion: the possible root cause was identified by the tpm to be a loose fiber from the cleanroom frock or employee clothing.There were no actions identified in the attached report.The tpm is considering the occurrence to be an isolated incident and will continue to monitor for trends.Additional evaluation by abbvie analytical s&t was requested to identify the foreign material found within the sealed tyvek pouch.Conclusion: based on the results of the examination, both visual and instrumental, it can be concluded that the fiber was consistent with 100% polyester.
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