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… Event Notification Report for March 23, 2012 … U.S. Nuclear Regulatory Commission Operations Center Event … ** 47760 47764 Power Reactor Event Number: 47760 Facility: COOPER Region: 4 State: NE Unit: [1] [ ] [ ] RX Type: [1] … DUE TO FREON LEAK At 1034 CDT on 3/22/12, Cooper Nuclear Station declared a Notice of Unusual Event due to a freon …

… Event Notification Report for May 27, 2005 … U.S. Nuclear Regulatory Commission Operations Center Event … ** 41730 Power Reactor Event Number: 41730 Facility: COOPER Region: 4 State: NE Unit: [1] [ ] [ ] RX Type: [1] … adjacent to a shipping container, in the Cooper Nuclear Station (CNS) Multi-Purpose Facility (MPF). The MPF is a …

… Event Notification Report for October 14, 2019 … U.S. Nuclear Regulatory Commission Operations Center Event … the damaging effects of tornado generated missiles, Dresden Station identified a non-conforming condition in the plant … NOTIFICATION - FAILURE OF A SIGNAL CONVERTER SUPPLIED TO COOPER NUCLEAR PLANT The following is a summary of the …

… Event Notification Report for October 5, 2016 … U.S. Nuclear Regulatory Commission Operations Center Event … Power Reactor Event Number: 52279 Facility: COOPER Region: 4 State: NE Unit: [1] [ ] [ ] RX Type: [1] … 1 N N 0 Refueling 0 Refueling Event Text COOPER NUCLEAR STATION LOSS OF TONE ALERT RADIOS "At 1530 CDT on I0/4/20l6, …

… Event Notification Report for August 31, 2017 … U.S. Nuclear Regulatory Commission Operations Center Event … it relates to the subject plant applications. "On 8/28/2017 Cooper notified the NRC of a reportable condition under … of service. This failure was determined by Cooper Nuclear Station to have been a component infant mortality likely …

… Event Notification Report for May 22, 2017 … U.S. Nuclear Regulatory Commission Operations Center Event … Inspector." Power Reactor Event Number: 52765 Facility: COOPER Region: 4 State: NE Unit: [1] [ ] [ ] RX Type: [1] … "At approximately 0805 CDT on 05/19/2017, Cooper Nuclear Station was notified by the National Weather Service that …

… Event Notification Report for December 7, 2012 … U.S. Nuclear Regulatory Commission Operations Center Event … to reestablish control of offsite sirens. "At time 1057 the station began contacting offsite sirens agencies including … found within a refurbished cylinder head supplied to the Cooper Nuclear Station by ESI. Specifically, Cooper …

… Event Notification Report for March 7, 2018 … U.S. Nuclear Regulatory Commission Operations Center Event … in their possession. The affected licensees are Pilgrim Station, Cooper Nuclear Station, Browns Ferry Nuclear, and Brunswick …

… Event Notification Report for December 12, 2007 … U.S. Nuclear Regulatory Commission Operations Center Event … Inspector. Power Reactor Event Number: 43835 Facility: COOPER Region: 4 State: NE Unit: [1] [ ] [ ] RX Type: [1] … winter ice storm in the area surrounding Cooper Nuclear Station, 11 of 24 Alert and Notification System Sirens were …

… Event Notification Report for December 21, 2017 … U.S. Nuclear Regulatory Commission Operations Center Event … transferred to its alternate offsite power source, Common Station Service Transformer (CSST) C at 1217 EST. At 1230 … of the event. Power Reactor Event Number: 53133 Facility: COOPER Region: 4 State: NE Unit: [1] [ ] [ ] RX Type: [1] …