H6: investigation summary a mz1000 product was not available for investigation; however the customer confirmed that the complaint sample was from lot 21015541.As part of the investigation, the customer provided a photograph and video of the affected sample; analysis of the photograph and video identified leakage from the connection to the female luer adaptor (fla) of the component confirming the customer's experience.The details of this feedback were forwarded to the manufacturing site for investigation.They performed an in-depth investigation in order to determine a potential root cause for the customer's experience; during the investigation no obvious manufacturing defects or potential manufacturing contributors were identified which may have resulted in the observed leakage.A review of the production records for lot 21015541 did not identify any in-process testing failures or quality deviations which may have resulted in a report of this nature.Although a definitive root cause could not be determined in this instance, previous investigations have confirmed similar leakage can occur from a crack to the female luer of the maxzero, which can be caused or contributed to by a combination of different factors, including prolonged use of substances that are aggressive to plastics, over-torque of the component during connection with the male luer, or use of a male luer that is not compliant to iso standards.In this instance based on the information available, it is not possible to determine which of these factors may have contributed to the customer's experience.A review of the customer feedback database indicates that complaints of this nature against the maxzero product occur at a low frequency and have not been attributable to a product defect or manufacturing issue.H3 other text : see h10.
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