This is one of three complaints reported for this finished goods lot; however, this is the first complaint reported for this issue for this lot.Review of the device history record (dhr) indicates the order was built to specification.A sample has not been returned for this complaint; therefore, visual inspection and functional testing could not be performed.The troubleshooting guide in the operator's manual states that for the symptom of air in irrigation line causing bubbles, the probable causes for are: for active fluidics: air in line or handpiece, loose irrigation luer fitting, improper priming, bad handpiece.Recommended solutions: tap handpiece 2-3 times during flow test , check irrigation line and reseat, reprime per setup procedure., replace handpiece.The root cause of the customer's complaint could not be established as a sample was not returned for this complaint.After a thorough investigation of this complaint, it has been determined that no action will be taken at this time as a sample was not returned.Quality assurance will continue to monitor customer complaints via the complaint review meetings, and will take action for any future occurrences as is deemed necessary.(b)(4).
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