The device has been returned and an evaluation performed for it.This supplemental report is being submitted to provide this information.Please see the updates in sections: d10, g4, g7, h2, h3, h4, h6, and h10.The device history record review confirmed that device has no abnormalities, special adoption, or variations in manufacturing.The reported issue is that during a procedure, the device transitioned to a spare lamp.This device is designed to automatically switch to emergency lights when the sighting lamp does not turn on or turns off.Upon inspection and testing, it was observed that the device lamp goes to the spare lamp.This is attributed to the faulty power supply.In addition was found: loose scope socket tab was not protecting socket pins.Device is equipped with new type switch, olympus lamp less than 50 hours, light output within specifications, housing in normal condition.The instructions for use includes the following statements (amongst others) for pre-use inspection and usage: check the lamp usage time.Check the illumination light.Turning on the power to turn on the lighting lamp.Turn off the illumination lamp.
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