The subject device was not returned to omsc for evaluation but was returned to olympus service operation repair center (sorc).Sorc checked the subject device and found that the reported phenomenon was not duplicated.Also, sorc found that there were pinholes on the bending rubber and inside the instrument channel.Omsc reviewed the manufacture history (dhr) of the subject device and confirmed no irregularity.The exact cause of the reported event could not be conclusively determined.However based upon the information from sorc, omsc surmised that the reported phenomenon was attributed to the corrosion inside the subject device due to the water ingress from the pinhole of the bending rubber and/or the leakage point of the instrument channel.If additional information is received, this report will be supplemented.
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