(b)(4).The device history record (dhr) review was performed for part number 00-5150-475-01, lot 63423686.This lot was manufactured and released into inventory on (b)(6) 2016.There were no non-conformances, requests for deviations (rfd¿s) or other reported spontaneous anomalies reported for this production lot.All testing and inspection requirements were performed and accepted.Visual examination of the product could not be performed because no product was returned for this complaint.A stock investigation is not applicable.The inventory for the lot relevant to this complaint has been exhausted.Pulsavac is manufactured in accordance.The manufacturing process was reviewed and there were no issues identified as a possible cause for this complaint.100% of the pulsavac units are tested online to ensure proper operation.Quality inspections and tests are performed in accordance.Quality assurance performs functional and performance testing on a representative sample.Each pulsavac device is cycled through both the high speed mode and low speed mode two times as defined by the work instructions.The customer claimed that they cut the wire in order to retrieve the batteries at a later time.Cutting the wire can lead to a battery rupture.However, without the returned product the specific nature of the battery rupture cannot be confirmed, therefore a true root cause cannot be established.
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