The system was examined and the reported event was replicated.Two hard disk (hd) drives were subsequently replaced to resolve the issue.The system was tested and found to meet product specifications.The manufacturing device history record (dhr) was reviewed.Based on qa assessment, the product met specifications at the time of release.The root cause of the reported event can be attributed to nonconforming hard disk drives.Data will continue to be monitored for evidence of adverse trending with further action taken, as appropriate.The manufacturer internal reference number is: (b)(4).
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