Investigation summary: a device history record review could not be performed on model 394995 because a lot number was not provided by the customer.As a sample was unavailable for return, a thorough sample investigation could not be completed.Based on the investigation results, an exact cause for this incident could not be identified.There are quality controls currently in place to detect this type of defect during the production process.Two quality alerts have been issued for this defect.Further action has not been determined necessary at this time.Our quality team will continue to monitor the manufacturing process for this defect and other emerging trends investigation conclusion: this failure mode is usually presented by the variation of the length of the tube, the actions that have been taken to mitigate the problem, are two generate quality alerts and an inspection for each shift to verify that the lengths of the tube are the indicated ones, in the same way, work continues to find opportunities for improvement.There have been no changes in raw materials or operations that could contribute to this failure mode.We will keep monitoring the manufacturing process and in case any emerging trend is detected, further actions will be taken if necessary.
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