During investigation testing, the driver performed as intended.Further power cycle testing (turning key on and off) indicated that the driver functioned as intended.The driver was then disassembled for an internal visual inspection.During this inspection, the wires of the key switch were found to have damage to their insulation, exposing bare wire.It is possible that this wire damage caused an intermittent short resulting in the inability to turn on, as reported by the customer.This issue will continue to be monitored and trended as part of the customer experience process.Syncardia has completed its evaluation and is closing this file.(b)(4) follow-up report 1.
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