(b)(6).Asp investigation summary: the investigation included a review of the device batch record, supplier product evaluation, trending analysis by lot number, and system risk analysis (sra).Supplier product evaluation was not performed since the product was not available for return.The sra indicates the risk associated with toxic or corrosive material is "low." trending analysis by lot number was reviewed from 02/17/2017 to 08/16/2017 and no significant trend was observed.There is insufficient information to determine an assignable cause.It is unlikely that there was a performance issue with the sterrad® cassette as the batch record review found no anomalies that would contribute to the issue, and lot history review revealed trending was not exceeded.The product was not returned for analysis and therefore, could not be evaluated.The issue will continue to be tracked and trended.
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