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Start date | Reporting criterion | Title | Event description | System | LER | |
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ENS 55318 | 18 June 2021 04:00:00 | 10 CFR 30.50(b)(2) | Stuck Shutter | The following information was received from the licensee via phone call: During a routine inspection, the licensee found that a fixed nuclear gauge had a shutter stuck in the open position. The open position is its normal operating position. The gauge is located in an elevated position and is surrounded by fencing. The gauge contains a 1 Ci Am-241 source. Gauge Serial #: G440039 Manufacturer: Thermo Fisher |