H10: a batch review was conducted and there were no deviations found related to this reported condition during the manufacture of this lot.The device was not received for evaluation; however, a picture of the impacted set was provided.Visual inspection observed a mark on the return line near its screwed connector that could be the customer reported crack.The reported condition was verified.The cause could not be determined.Should additional relevant information become available, a supplemental report will be submitted.
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