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 Start dateReporting criterionTitleEvent descriptionSystemLER
ENS 5714728 May 2024 17:00:0010 CFR 30.50(b)(2)Stuck ShutterThe following is a summary of information obtained from the licensee via phone: The assistant radiation safety officer (ARSO) received a notification from their Tilden Mine site that a Ohmart Vega (model SH-F1B-0) containing 1 mCi of Cs-137 had a stuck open shutter. The ARSO is evaluating whether to contact Vega to schedule a technician to service the shutter or to amend their NRC license to allow them to service the shutter. The nuclear gauge is in a location inaccessible to personnel and there is no additional exposure risk to personnel or the public.