The spectra cylinders were visually and functionally tested.Cylinder 1 performed within specification.Cylinder 2 had sharp instrument/tool damage to the outer tube, which resulted in a hole and exposed metal segments.This damage is consistent with explant damage.Due to this damage being consistent with explant it will be considered a secondary failure.Both cylinders passed the bend test with a force readout of less than 1390 grams.Therefore, product analysis was unable to confirm the reported events.The product record review indicated reported events do not represent an unanticipated event.Review of the manufacturing documentation confirmed all required in-process and final inspections and testing were completed.Based on this investigation, the investigation conclusion code of no problem detected was chosen because the reported events could not be confirmed or substantiated through investigation.Based on the results of this investigation, no escalation is required.
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