(b)(4).Device history record was reviewed for notifications pertaining to incoming inspection, stock checks, and product returns.No concerns were noted with reference to 341398.(1) sample of 341398 lot: j9 (oct 2019) was received for evaluation.Visual review noted a burr on the superior edge of the moving arm with an embedded metal chip.The embedded chip has scrapped the top side of the rack with a visible wear mark.The embedded chip does not appear to originate from the assembly and may have appeared during cleaning.The device functions as expected.A weight load was placed on the moving arm and cycled through the range of movement with no metal shavings created.I was not able to replicate the reported failure under load.The source of the metal chip could not be determined but does not appear to originate from the returned device.(1) sample of 341398 lot: j9 (oct 2019) was received for evaluation.Visual review noted a burr on the superior edge of the moving arm with an embedded metal chip.The embedded chip has scrapped the top side of the rack with a visible wear mark.The embedded chip does not appear to originate from the assembly and may have appeared during cleaning.A dimensional inspection was not required as part of this investigation.The device functions as expected.A weight load was placed on the moving arm and cycled through the range of movement with no metal shavings created.I was not able to replicate the reported failure under load.No confirmed complaints were received in this range with the same issue.Device history record was reviewed for notifications pertaining to incoming inspection, stock checks, and product returns.No concerns were noted with reference to 341398.The source of the metal chip could not be determined but does not appear to originate from the returned device.
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