The subject device was not returned to omsc for evaluation, therefore omsc could not investigate the subject device.Omsc reviewed the manufacturing history (dhr) of the subject device and confirmed no irregularity.The exact cause of the reported event could not be conclusively determined.However, based on the information from sorc, there was possibility that this phenomenon was attributed to the environment of the user facility such as storage condition and usage condition.If additional information becomes available, this report will be supplemented.
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