Three unused corrugated tubes, from the same lot, were returned for product eval.During visual inspection, no cracks, holes, or defects were discovered in any of the returned products.Each tube was functionally tested.No leaks were observed; the tubes were found to operate as intended.The tubes were then tensile tested.All strength testing results passed spec.The reported product fault could not be duplicated.No evidence was found to suggest the reported event was caused by an intrinsic product fault.
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