H10: h3, h6: the reported device was received for evaluation.A visual inspection of the exterior of the device did not reveal any issues but after disassembly of the cassette, rusty bearing was found in the impeller.A functional evaluation revealed that the impeller was noisy.There was no issue with the out pressure.A review of device records showed there were no indications to suggest that the product did not meet manufacturing specifications upon release for distribution.A complaint history review found no similar reported events.A risk management review found that the reported failure and/or harm was documented appropriately, and there were no indications to suggest the anticipated risk is not adequate.The root cause of the reported event could not be determined.Please refer to the instructions for use for recommendations on proper use of the device and potential troubleshooting methods to prevent future reoccurrence of the reported event.No containment or corrective actions are recommended at this time.Corrected data: a1 should be read in blank.
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