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 Start dateReporting criterionTitleEvent descriptionSystemLER
ENS 5250924 January 2017 23:30:0010 CFR 30.50(b)(2)Stuck Open ShutterDuring the semi-annual inspection, the licensee discovered that the shutter on a fixed density gauge would not close. The gauge is used to monitor slurry flow at a gold mining operation and the shutter is normally open. The gauge remains in operation and does not present a safety concern to personnel. There are no exposures involved with this event. The licensee has notified the manufacturer of the gauge to request that an authorized technician repair the shutter. The gauge is Ronan SA-1 Density Gauge containing a Cs-137 1000 mCi source, Serial # M4884.