The company service representative examined the system and was not able to confirm or replicate the reported event.As a preventative measure, the laser was recalibrated.The system was then tested and met all product specifications.The system manufacturing device history record (dhr) was reviewed.Based on qa assessment, the product met specifications at the time of release.The system was found to meet specifications; therefore, the root cause of the reported event cannot be determined conclusively.The manufacturer internal reference number is: (b)(4).
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