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… Circumstances On October 29, 1985, at 13:57 EST the D. C. Cook Nuclear Station Unit No. 2 tripped from approximately … to the October 29, 1985 incident, all RTBs at the DC Cook station were tested. UVTA trip force margin testing of … interval of 200 cycles. The recent failures at D. C. Cook Unit 2 involved RTBs that were refurbished by the …

… via e-mail. Power Reactor Event Number: 47247 Facility: COOK Region: 3 State: MI Unit: [1] [ ] [ ] RX Type: [1] … TURBINE TRIP FROM 100% POWER "On Sept 7, 2011, at 0854, DC Cook Unit 1 reactor automatically tripped due to a trip of … Feedwater System, as an eight (8) hour report. "The DC Cook Sr. Resident NRC Inspector has been notified. "The …

… 12/23/2009 Indiana Michigan Power Company: D.C. Cook Unit 1 - 100 Percent Power PNO-I-09-007 12/21/2009 … 12/18/2009 Indiana Michigan Power Company: D.C. Cook Unit 1 Restart November PNO-I-09-006 11/24/2009 Exelon … Summer Nuclear Station PNO-III-09-013 11/23/2009 Donald C. Cook Nuclear Plant: D. C. Cook Unit 1 Mode Change Following …

… On June 19, 1981, a spent fuel assembly at the D. C. Cook Unit 1 facility was damaged while being transferred in … tube assembly (and thus the fuel assembly). The D. C. Cook manipulator cranes have the Z-axis tapes, but the … the crane is moved. (It has always been required by D. C. Cook procedures to utilize the tape to verify that the fuel …

… THOMAS J R3 (630) 829-9866 TJK4@nrc.gov REGION III D.C. Cook Site Vice President for Site Support Services Named Licensee/Facility: INDIANA MICHIGAN POWER CO. D.C. Cook 1, D.C. Cook 2 BRIDGMAN, Michigan Dockets: 05000315, 05000316 [1] …

… NMED.   Power Reactor Event Number: 54944 Facility: Cook Region: 3     State: MI Unit: [] [2] [] RX Type: [1] … REACTOR TRIP "At 0026 [EDT] on October 12, 2020, D.C. Cook Unit 2 tripped automatically on low-low level of #24 … of the Auxiliary Feedwater System (AFW). "The D.C. Cook Resident NRC Inspector has been notified. "Unit 2 is …

… MR Number: 3-99-0101 Michigan Electric Co. Date: 12/11/99 Cook 1 2 SRI VIA TELCON Bridgman,Michigan Dockets: … PWR/W-4-LP,PWR/W-4-LP Subject: MANAGEMENT CHANGES AT DC COOK Discussion: The licensee announced that effective on …

… MR Number: 3-99-0016 Michigan Electric Co. Date: 03/08/99 Cook 1 2 SRI via Telecon Bridgman,Michigan Dockets: 50-315,50-316 PWR/W-4-LP,PWR/W-4-LP Subject: D.C. COOK EXPANDED SYSTEM READINESS REVIEWS Discussion: On February 10, 1999, D.C. Cook Initiated an Expanded System Readiness Review (ESRR) …