This supplemental report is being submitted to provide the results of the legal manufacturer's final investigation. new information added on fields: d8 and h6.Correction on fields: d9, d10, h3 and h6, (component code [power supply was inadvertently omitted in initial medwatch and medical device problem code).A review of the device history record found no deviations that could have caused or contributed to the reported issue.It has been over 11 years since the subject device was manufactured. the device was evaluated by an olympus field service engineer and the customer's complaint was confirmed.It was found that the overtemperature occurred due to poor ventilation caused by dust, the device was powered down and the emergency lamp took over.The device was cleaned, and the temperature switch and sensor were check and confirmed to be working properly.Based on the results of the investigation, a definitive root cause could not be determined.However, it is likely that overtemperature occurred due to poor ventilation caused by dust.Olympus will continue to monitor field performance for this device. .
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