Exterior visual inspection of the driver, including the display screen, revealed no damage and the driver met all standard testing requirements.Additional testing included deliberately offsetting the calibration, which disabled access to the menu screens.Calibration settings were then corrected and menu access returned, as expected.Additionally, internal visual inspection was performed and no damage or anomalies were found.The customer-reported issue could not be confirmed or duplicated.The companion 2 driver functioned as intended with no evidence of a device malfunction.The root cause of the customer-reported issue could not be determined.This issue will be monitored and trended as part of the customer experience process.Syncardia has completed its investigation and is closing this file.(b)(4) follow-up report 1.
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