Investigation summary: since no samples displaying the condition reported are available for examination, we were unable to fully investigate this incident.No root cause can be determined as no samples were received.A device history record review was completed with zero defects found.No quality notifications were written for this batch, nor for the associated assembly batches.Investigation conclusion: based on no sample, the investigation concluded, bd was not able to verify the indicated failure.This is the 1st complaint for the lot# 8201714 for the same defect or symptom.There was no documentation of issues for the complaint of batch #8201714 during the production run.Root cause description: undetermined.
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