Investigation - evaluation.A review of complaint history, device history record, documentation, drawing, and quality control was completed during this investigation.The product will not be returned for the investigation.If the device becomes available complaint will be reopened and investigation will be performed at that time.A complaint history search revealed this complaint to be the only reported complaint associated to the complaint lot number 7382108.It is feasible to suggest the device encountered forces beyond its intended design, which led to the noted failure.It is also possible that there was insufficient adhesive added to the threads of the flare tube, causing the to attached pieces to come apart upon manipulation.However, without visual, dimensional, or functional testing of the involved components, we are unable to determine with certainty what led to this failure mode.The root cause of the failure is determined to be inconclusive.The device history record for lot 7382108 was reviewed and noted one (1) non-conformance which was potentially related to this failure mode.We have notified the appropriate personnel and will continue to monitor for similar complaints.According to a quality engineering risk analysis no further action is required at this time.
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