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| Start date | Reporting criterion | Title | Event description | System | LER | |
|---|---|---|---|---|---|---|
| ENS 46983 | 24 June 2011 04:00:00 | Agreement State | Agreement State Report - Shutter Failure Due to Broken Cable | The following information was obtained from the State of Pennsylvania via facsimile: The remote shutter actuator on a Texas Nuclear gauge, Model 5197 (serial #81623) with approximately 100 mCi of Cs-137 was found inoperable. The remote shutter actuator controller cable failed. The shutter is locked in the closed position and shall remain so until repairs are made. PA Report #: PA110013 | ||
| ENS 46818 | 3 May 2011 14:30:00 | Agreement State | Agreement State Report - Shutter Mechanism Failure | The following information was obtained from the State of Pennsylvania via facsimile: It was determined that the remote shutter actuator on a device is inoperable due to foreign material in the shutter mechanism. The device is identified as Texas Nuclear, Model 5197 (Serial No. 81637) with approximately 100 mCi of Cs-137. The cause of the event was equipment failure. The shutter is locked in the closed position and shall remain so until repairs are made. Licensee will notify the Department (Pennsylvania Dept. of Environmental Protection) when licensed repairs are made. PA Event Report ID: PA110009
Upon further investigation it was determined that the remote actuator on the device is inoperable due to a crack in the mechanism that holds the actuator to the gauge. This prevents the shutter from operating as designed by the manufacturer. The device is identified as Texas Nuclear, Model 5197 (Serial No. B1637) with approximately 100 mCi of Cs-137. Notified R1DO (DeFrancisco) and FSME (Diaz-Toro). |