Similar Documents at Cook |
|---|
Category:NRC Preliminary Notification of Event/Occurrence
MONTHYEARML21190A2422021-07-0909 July 2021
PNO-lll-21-001A: Donald C. Cook Nuclear Plant, Unit 2, Update: Unplanned Shutdown Greater than 7 Days Due to Main Steam Leakage
ML21181A4162021-06-30030 June 2021
PNO-lll-21-001 Donald C. Cook Nuclear Plant, Unit 2: Unplanned Shutdown Greater than 7 Days Due to Main Steam Leakage
PNO-III-20-001A, Update: Unplanned Shutdown Greater than 72 Hours Due to Reactor Coolant System Leakage Exceeding Technical Specification Limits2020-05-11011 May 2020
PNO-III-20-001A Update: Unplanned Shutdown Greater than 72 Hours Due to Reactor Coolant System Leakage Exceeding Technical Specification Limits
PNO-III-20-001, Unplanned Shutdown Greater than 72 Hours Due to Reactor Coolant System Leakage Exceeding Technical Specification Limits2020-05-0404 May 2020
PNO-III-20-001: Unplanned Shutdown Greater than 72 Hours Due to Reactor Coolant System Leakage Exceeding Technical Specification Limits
ML17256A7152017-09-13013 September 2017
PNO-III-2017-002: Donald C. Cook Notice of Unusual Event During Plant Shutdown Due to Increased Reactor Coolant System Leakage
PNO-III-16-003, D.C. Cook Unit 2 Manual Trip Resulting in a Shutdown for Greater than 72 Hours2016-07-12012 July 2016
PNO-III-16-003: D.C. Cook Unit 2 Manual Trip Resulting in a Shutdown for Greater than 72 Hours
PNO-III-15-007, A - D.C. Cook: Update to Technical Specification Required Shutdown of D.C. Cook Unit 1 Due to an Inoperable Emergency Diesel Generator2015-07-30030 July 2015
PNO-III-15-007A - D.C. Cook: Update to Technical Specification Required Shutdown of D.C. Cook Unit 1 Due to an Inoperable Emergency Diesel Generator
ML15153A6192015-06-0202 June 2015
PNO-III-15-007 - D.C. Cook: Technical Specification Required Shutdown of D.C. Cook Unit 1 Due to an Inoperable Emergency Diesel Generator
ML14316A5922014-11-12012 November 2014
PNO-lll-14-010A - Update: D.C. Cook Dual Unit Manual Trip Resulting in a Shutdown for Greater than 72 Hours on Unit 2
PNO-III-14-010, D.C. Cook Dual Unit Manual Trip Resulting in a Shutdown for Greater than 72 Hours on Unit 22014-11-0404 November 2014
PNO-III-14-010: D.C. Cook Dual Unit Manual Trip Resulting in a Shutdown for Greater than 72 Hours on Unit 2
ML1123601032011-08-23023 August 2011
PNO-II-11-005: North Anna, Emergency Declarations Due to Seismic Event
PNO-I-10-003, Unusual Event Declarations Due to Seismic Activity (Vermont Yankee and D.C. Cook)2010-06-23023 June 2010
PNO-I-10-003: Unusual Event Declarations Due to Seismic Activity (Vermont Yankee and D.C. Cook)
PNO-III-09-015, D.C. Cook Unit 1, Return to 100 Percent Power2009-12-23023 December 2009
PNO-III-09-015: D.C. Cook Unit 1, Return to 100 Percent Power
PNO-III-09-014, D.C. Cook Unit 1, Restart2009-12-18018 December 2009
PNO-III-09-014: D.C. Cook Unit 1, Restart
PNO-III-09-013, D. C. Cook Unit 1 Mode Change Following 14 Months Forced Outage2009-11-23023 November 2009
PNO-III-09-013 - D. C. Cook Unit 1 Mode Change Following 14 Months Forced Outage
PNO-III-09-006, A: D.C. Cook Unit 2, Forced Shutdown for Greater than 72 Hours to Repair Reactor Coolant Pump Seal (Update)2009-08-10010 August 2009
PNO-III-09-006A: D.C. Cook Unit 2, Forced Shutdown for Greater than 72 Hours to Repair Reactor Coolant Pump Seal (Update)
ML0920901352009-07-28028 July 2009
PNO-III-09-006: D.C. Cook, Unit 2 Forced Shutdown for Greater than 72 Hours to Repair Reactor Coolant Pump Seal
PNO-III-08-011, D. C. Cook - Unit 1 Manual Trip Due to Main Turbine Generator Fire and Significant Fire Suppression System Degradation2008-09-22022 September 2008
PNO-III-08-011: D. C. Cook - Unit 1 Manual Trip Due to Main Turbine Generator Fire and Significant Fire Suppression System Degradation
PNO-III-08-004, A, Cook and Palisades, Update - Unusual Events Declared Due to Earthquake2008-04-18018 April 2008
PNO-III-08-004A, Cook and Palisades, Update - Unusual Events Declared Due to Earthquake
ML0810903102008-04-18018 April 2008
PNO-III-08-004: Cook & Palisades, Unusual Events Declared Due to Earthquake
PNO-III-06-017, A: D.C. Cook: Unit 1 Shuts Down Due to High Containment Air Temperature (Update)2006-08-0303 August 2006
PNO-III-06-017A: D.C. Cook: Unit 1 Shuts Down Due to High Containment Air Temperature (Update)
ML0621302182006-08-0101 August 2006
PNO-III-06-017: D. C. Cook Unit 1 Shuts Down Due to High Containment Air Temperature
PNO-III-05-015, D. C. Cook Unit 2 Special Inspection of Electrical Problems After Reactor Trip2005-11-10010 November 2005
PNO-III-05-015: D. C. Cook Unit 2 Special Inspection of Electrical Problems After Reactor Trip
PNO-III-04-004, Indiana Michigan Power Co, Shutdown of D.C. Cook Unit 1 for Greater than 72 Hours2004-03-30030 March 2004
PNO-III-04-004: Indiana Michigan Power Co, Shutdown of D.C. Cook Unit 1 for Greater than 72 Hours
PNO-III-03-021, D.C. Cook Dual Unit Shutdown Resulting from Fish Intrusion2003-04-24024 April 2003
PNO-III-03-021: D.C. Cook Dual Unit Shutdown Resulting from Fish Intrusion
PNO-III-03-002, D.C. Cook Reactor Trip Due to Main Transformer Fire2003-01-21021 January 2003
PNO-III-03-002: D.C. Cook Reactor Trip Due to Main Transformer Fire
PNO-III-02-025, A - Alert -- Fire in D.C. Cook Unit 1 Switchyard (Update)2002-06-13013 June 2002
PNO-III-02-025A - Alert -- Fire in D.C. Cook Unit 1 Switchyard (Update)
2021-07-09
[Table view] |
PRELIMINARY NOTIFICATION- REGION III August 10, 2009 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -- PNO-III-09-006A
This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information is as initially received without verification or evaluation, and is basically all that is known by the Region III staff on this date.
Facility Donald C. Cook Nuclear Plant Indiana Michigan Power Company Stevensville, MI Docket: 50-316 License: DPR-74 Licensee Emergency Classification Notification of Unusual Event Alert Site Area Emergency General Emergency X Not Applicable
SUBJECT:
D.C. COOK UNIT 2 FORCED SHUTDOWN FOR GREATER THAN 72 HOURS TO REPAIR REACTOR COOLANT PUMP SEAL (UPDATE)
DESCRIPTION:
On August 8, 2009, the Cook Nuclear Plant Unit 2 resumed operation after a maintenance outage that was started on July 26, 2009, to replace a degraded Reactor Coolant Pump Seal. The reactor was made critical at 2:05 a.m. (CDT) on August 8, 2009, and the main generator was synchronized to the grid at 10:17 a.m. (CDT) on August 8, 2009. The license replaced one Reactor Coolant Pump Seal during this outage.
The resident inspectors observed the licensee returning the plant to operation.
The State of Michigan will be notified. The information in this preliminary notification has been reviewed with licensee management.
This information is current as of 9:00 a.m. (CDT) on August 10, 2009.
CONTACTS: Jay Lennartz, SRI Jamnes Cameron, Chief 269/465-5353 630/829-9833
ADAMS Accession No. ML092220545
