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Category:NRC Preliminary Notification of Event/Occurrence
MONTHYEARPNO-III-19-002, Palisades, Through-Wall Leak Identified on a Reactor Vessel Head Nozzle2018-11-14014 November 2018
PNO-III-19-002: Palisades, Through-Wall Leak Identified on a Reactor Vessel Head Nozzle
PNO-III-19-001, Maintenance Outage to Repair Control Rod Drive and Failed Transformer2018-10-18018 October 2018
PNO-III-19-001: Maintenance Outage to Repair Control Rod Drive and Failed Transformer
PNO-III-14-002, A: Update, Palisades Control Rod Drive Mechanism Housing Flaws2014-03-14014 March 2014
PNO-III-14-002A: Update, Palisades Control Rod Drive Mechanism Housing Flaws
ML14030A1902014-01-30030 January 2014
PNO-III-14-002: Palisades Control Rod Drive Mechanism Housing Flaws
PNO-III-13-004, B, Update - Palisades Shutdown Due to Safety Injection Refueling Water Tank (SIRWT) Leakage2013-06-17017 June 2013
PNO-III-13-004B, Update - Palisades Shutdown Due to Safety Injection Refueling Water Tank (SIRWT) Leakage
ML13129A4382013-05-0909 May 2013
PNO-III-13-004A - Update: Palisades Shutdown Due to Safety Injection Refueling Water Storage Tank (SIRWT) Leakage
ML13126A2702013-05-0606 May 2013
PNO-III-13-004 - Palisades Shutdown Due to Safety Injections Refueling Water Storage Tank Leakage
PNO-III-13-002, A - Update - Palisades Shutdown Due to Leakage from the Component Cooling Water (CCW) System2013-02-22022 February 2013
PNO-III-13-002A - Update - Palisades Shutdown Due to Leakage from the Component Cooling Water (CCW) System
ML13046A4042013-02-15015 February 2013
PNO-III-13-002, Palisades Shutdown Due to Leakage from the Component Cooling Water (CCW) System
ML12314A2712012-11-0909 November 2012
PNO-lll-12-015A (Update) Palisades Shutdown Due to Leakage from the Main Steam System
ML12310A5052012-11-0505 November 2012
PNO-lll-12-015, Palisades Shutdown Due to Leakage from the Main Steam System
PNO-III-12-012, Palisades Leakage from the Service Water System2012-09-25025 September 2012
PNO-III-12-012: Palisades Leakage from the Service Water System
PNO-III-12-007, A, Update, Palisades Shutdown Due to Increase in Unidentified Reactor Coolant System Leakage2012-08-30030 August 2012
PNO-III-12-007A, Update, Palisades Shutdown Due to Increase in Unidentified Reactor Coolant System Leakage
PNO-III-12-004, A: Update - Palisades Shutdown Due to Safety Injection Refueling Water Storage Tank Leakage2012-07-11011 July 2012
PNO-III-12-004A: Update - Palisades Shutdown Due to Safety Injection Refueling Water Storage Tank Leakage
ML12166A2612012-06-14014 June 2012
PNO-III-12-004 - Palisades Shutdown Due to Safety Injection Refueling Water Storage Tank Leakage
PNO-III-11-011, A - Palisades Reactor Trip (Update)2011-10-0303 October 2011
PNO-III-11-011-A - Palisades Reactor Trip (Update)
ML11269A2302011-09-26026 September 2011
PNO-III-11-011 Palisades Nuclear Plant Reactor Trip
PNO-III-11-010, Palisades - Unplanned Shutdown Greater than 72 Hours and Notification of Unusual Event2011-09-19019 September 2011
PNO-III-11-010 - Palisades - Unplanned Shutdown Greater than 72 Hours and Notification of Unusual Event
ML1123601032011-08-23023 August 2011
PNO-II-11-005: North Anna, Emergency Declarations Due to Seismic Event
PNO-III-11-003, Palisades Shutdown Due to Loss of Main Generator Electrical Load2011-01-24024 January 2011
PNO-III-11-003, Palisades Shutdown Due to Loss of Main Generator Electrical Load
PNO-III-11-001, ; Palisades, Unusual Event and 72-Hour Limiting Condition for Operation Due to 4160 V Ground Fault2011-01-11011 January 2011
PNO-III-11-001; Palisades, Unusual Event and 72-Hour Limiting Condition for Operation Due to 4160 V Ground Fault
PNO-III-10-010, A: Update - Palisades Forced Shutdown for Greater than 72 Hours to Replace Leaking Control Rod Drive Seal2010-07-0606 July 2010
PNO-III-10-010A: Update - Palisades Forced Shutdown for Greater than 72 Hours to Replace Leaking Control Rod Drive Seal
ML1017605222010-06-25025 June 2010
PNO-III-10-010 - Palisades - Forced Shutdown for Greater than 72 Hours to Replace Leaking Control Rod Drive Seal
PNO-III-09-001, A - Palisades Forced Shutdown for Greater than 72 Hours to Replace Leaking Control Rob Drive Seal (Update)2009-02-23023 February 2009
PNO-III-09-001A - Palisades Forced Shutdown for Greater than 72 Hours to Replace Leaking Control Rob Drive Seal (Update)
ML0904905272009-02-18018 February 2009
PNO-III-09-001, Palisades Forced Shutdown for Greater than 72 Hours to Replace Leaking Control Rod Drive Seals
PNO-III-08-008, A - Palisades - Forced Shutdown to Replace Leaking Control Rod Drive (CRD) Seal Packages (Update)2008-08-11011 August 2008
PNO-III-08-008A - Palisades - Forced Shutdown to Replace Leaking Control Rod Drive (CRD) Seal Packages (Update)
ML0822003472008-08-0707 August 2008
PNO-III-08-008 - Palisades Forced Shutdown to Replace Leaking Control Rod Drive Seals
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-07-006, A: Palisades, Shutdown Due to Low Steam Generator Level (Update)2007-05-14014 May 2007
PNO-III-07-006A: Palisades, Shutdown Due to Low Steam Generator Level (Update)
ML0712905812007-05-0909 May 2007
PNO-III-07-006: Palisades Shutdown Due to Low Steam Generator Level
PNO-III-07-003, A - Palisades: Shutdown to Replace Heat Damaged Cables (Update)2007-03-0505 March 2007
PNO-III-07-003A - Palisades: Shutdown to Replace Heat Damaged Cables (Update)
ML0705805222007-02-27027 February 2007
PNO-III-07-003: Palisades - Palisades Shutdown to Replace Heat-Damaged Cables
PNO-III-06-013, Palisades Shutdown to Investigate Control Rod Withdrawal Problem2006-05-11011 May 2006
PNO-III-06-013: Palisades Shutdown to Investigate Control Rod Withdrawal Problem
PNO-III-04-010, Palisades Shut Down to Repair Control Rod Drive Mechanism Leakage2004-08-11011 August 2004
PNO-III-04-010: Palisades Shut Down to Repair Control Rod Drive Mechanism Leakage
PNO-III-03-040, Fire Adjacent to Palisades Nuclear Generating Station2003-09-22022 September 2003
PNO-III-03-040 - Fire Adjacent to Palisades Nuclear Generating Station
PNO-III-03-014, B: Palisades Loss of Shutdown Cooling Caused by Loss of Offsite Power (Second Update)2003-03-28028 March 2003
PNO-III-03-014B: Palisades Loss of Shutdown Cooling Caused by Loss of Offsite Power (Second Update)
ML0308605932003-03-27027 March 2003
PNO-III-03-14A: Palisades Loss of Shutdown Cooling Caused by Loss of Offsite Power (Update)
PNO-III-03-013, Alert Declared Due to Fire with Potential to Affect Safety Systems2003-03-19019 March 2003
PNO-III-03-013: Alert Declared Due to Fire with Potential to Affect Safety Systems
2018-11-14
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May 14, 2007PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -- PNO-III-07-006AThis preliminary notification constitutes EARLY notice of events of POSSIBLE safety or publicinterest 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.FacilityPalisades Nuclear PlantEntergy Nuclear Operations, Inc.
Covert MI Docket: 50-255 License: DPR-20Licensee Emergency Classification Notification of Unusual Event Alert Site Area Emergency General Emergency x Not Applicable
SUBJECT:
PALISADES SHUTDOWN DUE TO LOW STEAM GENERATOR LEVEL (UPDATE)
DESCRIPTION:
On May 14, 2007, the Palisades plant resumed operation after a maintenance outage that wasstarted following an automatic trip of the reactor on May 8. The reactor was made critical at approximately 4:00 a.m. and the main generator was synchronized to the grid around noon.
The licensee replaced two control rod drive seals and the upper shaft of a service water pump during the 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 beenreviewed with licensee management.This information is current as of 1:00 p.m. (EDT) on May 14, 2007.
CONTACT:
John Ellegood269/764-8971 JAE@nrc.govChristine Lipa630/829-9619 CAL@nrc.gov
