Investigation summary: a mp1000 (b)(4) product was not available for investigation; however the customer confirmed that the complaint sample was from lot 20076477.The details of this feedback were forwarded to the manufacturing site for investigation.A review of the production records for lot 20076477 did not identify any in-process testing failures or quality deviations which may have resulted in a report of this nature.The root cause of the customer¿s experience could not be determined as the sample was not available for investigation.In this instance, without a sample, it is not possible to determine whether a manufacturing defect could have caused or contributed to the customer¿s experience.A review of the customer feedback database indicates that this is a rare occurrence with a small number of similar reports against the mp1000 (b)(4) product in the past 12 months.
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