The actual device was not available; however, a companion sample and photograph was received for evaluation.Visual inspection of the unused sample did not identify any abnormalities that could have contributed to the reported condition.All components are correctly placed and according to specifications.A functional test including pressure test and clear passage test was performed on the unused sample with no issue noted.A visual inspection was performed to the photograph using the naked eye which revealed air in line and no flow.The reported condition was verified.By the nature of the sample, no additional tests were performed. the cause of the condition could not be determined.A batch review was conducted and there were no deviations found related to this reported condition during the manufacture of this lot.Should additional relevant information become available, a supplemental report will be submitted.
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