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… to the patient. Power Reactor Event Number: 48120 Facility: COOK Region: 3 State: MI Unit: [1] [ ] [ ] RX Type: [1] … 1530 on July 19, 2012, operators commenced shutdown of DC Cook Unit 1 to comply with LCO 3.3.2, Condition I when the 6 … Dump Valves (Dump Valves) on one of the two trains. DC Cook entered LCO 3.3.2 Condition B for Function 4a, manual …

… fully inserted. Power Reactor Event Number: 54176 Facility: COOK Region: 3     State: MI Unit: [] [2] [] RX Type: [1] … WATER SYSTEM DEGRADED CONDITION "On July 19, 2019, DC Cook Unit 2 started experiencing degraded performance on the … on Unit 2 experienced degradation. On July 21, 2019, DC Cook Unit 2 elected to do a rapid downpower over …

… 45625 45627 Power Reactor Event Number: 45620 Facility: COOK Region: 3 State: MI Unit: [1] [2] [ ] RX Type: [1] … SYSTEM AND CHARCOAL FILTER FOR SCHEDULED MAINTENANCE "The Cook Nuclear Plant (CNP) Technical Support Center (TSC) … [ ] RX Type: [1] W-4-LP,[2] W-4-LP NRC Notified By: TONY COOK HQ OPS Officer: VINCE KLCO Notification Date: …

… RETRACTED !!!!! Power Reactor Event Number: 52456 Facility: COOK Region: 3 State: MI Unit: [ ] [2] [ ] RX Type: [1] … EMERGENCY DIESEL GENERATORS DECLARED INOPERABLE "With D.C. Cook Unit 1 in Mode 1 and 100 percent power and Unit 2 in … of an accident, and is being retracted. "With D.C. Cook Unit 1 in Mode 1 and 100% power and Unit 2 in Mode 4 …

… was notified Power Reactor Event Number: 40419 Facility: COOK Region: 3 State: MI Unit: [ ] [2] [ ] RX Type: [1] … REACTOR TRIPPED FROM 100% POWER DUE TO LOW STEAM GENERATOR Cook unit 2 automatically tripped from 100% power due to low …

… | FACILITY: COOK REGION: 3 |NOTIFICATION DATE: 09/28/2000| | UNIT: [1] … | | "This event notification is for planned maintenance on Cook Unit 1's | | electrical buses that remove power from a …

… of this event." Power Reactor Event Number: 43956 Facility: COOK Region: 3 State: MI Unit: [1] [ ] [ ] RX Type: [1] … MANUAL REACTOR TRIP DUE TO HIGH TURBINE VIBRATIONS "The DC Cook Unit 1 Reactor was manually tripped from 93% power due … systems functioned normally following the Reactor Trip. DC Cook Unit 1 remains stable in Mode 3 while conducting the …

… Meeting with American Electric Power Company … Topics: D.C. Cook performance and upcoming activities Reactor Oversight …

… and EN 51902 . Subsequently, two additional PWRs, D.C. Cook, Unit 2, and Indian Point, Unit 3 identified similar … Indian Point Units 2 and 3, Salem Units 1 and 2, D.C. Cook Units 1 and 2, and Diablo Canyon Unit 1 (Diablo Canyon … of the follow-up examination of baffle-former bolts. D.C. Cook Unit 2 – During the October 2016 refueling outage, D.C. …

… Meeting with American Electric Power Company … Topics: D.C. Cook Plant overview Physical and cyber security Potential …