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The following fields were updated due to additional information: d10: device available for eval yes, d10: returned to manufacturer on: 01-jun-2023 h6: investigation summary otal 8 samples received and verified that lids are missing.Further investigation performed.According to the dhr review, during the manufacturing process no issues were reported for missing lids for the lot number reported under this complaint (3011945).A review of the ncmr¿s was performed; the results exhibit no issue reported for the same part number and issue throughout the last twelve months.Investigation: based on this investigation and information provided, it can be mentioned the following: ¿ there are no lids packed inside the box where the product was received.¿ product arrived in its original packaging; however, it can be seen that box has been relabeled, meaning that product could possibly had been handled.¿ based on lot number provided, it¿s confirmed that product was manufactured by supplier on january 11, 2023.For this reason, we are unable to identify the root cause of this issue, since the variables that could generate this failure mode such as handling, transportation, storage or partial sales from distributor are unknown.Additional information is required to discard issue was generated by distributor facility, since partial sells and controls to handle remaining material is unknown, therefore, the likelihood of sending boxes with incorrect quantity exist.In addition, the current manufacturing controls were reviewed, and confirmed the capability to detect this type of issue (missing lids).As part of this investigation, a review of customer complaint records was performed; according to the complaint coordinator records, seven additional complaints were received through the last twelve months for the same part number and issue.These previous complaints were closed as non-manufacturing related and incomplete since there was not enough information provided from customer to determine the root cause.Due to no sample being received, an investigation could not be performed, and a root cause could not be determined.However potential root cause will be: 1.Non-controlled method to ship partial boxes to end user (re-packaging process).2.Non-controlled handling within distributor facilities.Conclusion: based on information provided it was not possible to confirm the root cause like a failure mode related to the manufacturing process since information such as method used to handle, shipped partial sells and controls to storage the remaining product within distributor facility is unknown.The controls were verified within the manufacturing process and confirmed as capable to detect the reporting failure mode (missing lids), furthermore, there were found acceptable records for every single box manufactured for this lot number within the weighing system records.
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