(b)(4).Investigation: initiated manufacturer's investigation, no sample returned, review dhr, inspect returned samples, inspect stock product.*analysis and findings a review of the 2 yr complaint history reveals no similar issues.A review of the dhr is not available but not expected to provide pertinent information for this complaint.This unit was manufactured in 2012.The complaint condition was confirmed.The socket on the front panel was very loose causing intermittent operation of the unit.A failure like this is infrequent.A root cause for this complaint condition is being attributed to handling error resulting in early wear and tear on the component.Corrective actions: *correction and/or corrective action, the unit was repaired and returned to the customer.This complaint will be entered into the coopersurgical continuous improvement plan (cip).Corrective action level 4.Train personnel.None.Reason: no applicable correction available to train to at this time.Complaints will be continuously monitored to determine if there is any new trend for this complaint condition.*was the complaint confirmed? yes.Review and closure.Recommended continuous improvement program (cip) capa required? #: complaint closure letter required? ncmr issued? #: other regulatory action needed: *preventative action activity reviewed.Trend and monitor to cip.
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