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On June 16, 2021, at 1550 EDT, Palisades N … On June 16, 2021, at 1550 EDT, Palisades Nuclear Plant was operating in Mode 1 at 100% power. At that time, operations identified an acrid odor in the control room. Investigation revealed that the steam dump control relay had failed, rendering all four atmospheric steam dump valves inoperable. </br>The loss of function of all four atmospheric steam dump valves is reportable in accordance with 10 CFR 50.72(b)(3)(v)(D) as an event or condition that at the time of discovery could have prevented the fulfillment of the safety function of structures or systems that are needed to mitigate the consequences of an accident.</br>Troubleshooting and replacement of the relay are in progress.</br>The plant remains stable in Mode 1 at 100% power.</br>The NRC Resident Inspector has been notified.</br>Unit 1 is in a 24 hour LCO for Tech Spec 3.7.4.b, atmospheric steam dump valve inoperability. The Unit is in a normal offsite power line-up.Unit is in a normal offsite power line-up. +
19:50:00, 16 June 2021 +
55,311 +
23:41:00, 16 June 2021 +
19:50:00, 16 June 2021 +
On June 16, 2021, at 1550 EDT, Palisades N … On June 16, 2021, at 1550 EDT, Palisades Nuclear Plant was operating in Mode 1 at 100% power. At that time, operations identified an acrid odor in the control room. Investigation revealed that the steam dump control relay had failed, rendering all four atmospheric steam dump valves inoperable. </br>The loss of function of all four atmospheric steam dump valves is reportable in accordance with 10 CFR 50.72(b)(3)(v)(D) as an event or condition that at the time of discovery could have prevented the fulfillment of the safety function of structures or systems that are needed to mitigate the consequences of an accident.</br>Troubleshooting and replacement of the relay are in progress.</br>The plant remains stable in Mode 1 at 100% power.</br>The NRC Resident Inspector has been notified.</br>Unit 1 is in a 24 hour LCO for Tech Spec 3.7.4.b, atmospheric steam dump valve inoperability. The Unit is in a normal offsite power line-up.Unit is in a normal offsite power line-up. +
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00:00:00, 17 June 2021 +
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19:50:00, 16 June 2021 +
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