Biomérieux internal investigation was conducted.The customer's issue was reproduced six (6) times in >3000 pipette attempts.Potential root causes, primary among them being excessive friction within the pipettor head, have been identified and analysis is being performed under corrective and preventive action (capa) record (b)(4).In the meantime, the following actions have occurred: easy stream instruments and pipettor heads in inventory at the international distribution center (idc) were returned to the supplier on (b)(4) 2015 for re-work, and subsequently received back for use on (b)(4) 2015.Product stop shipment (b)(4) was issued to subsidiaries and distributors 09 oct 2015.Biomérieux and the supplier defined a new quality control test for pipettor head performance verification.Field corrective action (b)(4) was issued to the field on 30 oct 2015 instructing replacement of the pipettor head at each customer site, using newly established quality control tests for performance confirmation.
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