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Issue date | Title | Topic | |
---|---|---|---|
ML18179A163 | 21 June 2018 | Retraction of Licensee Event Report 2018-002-00, Diesel Generator a Inoperability, a Condition Prohibited by the Plant Technical Specifications | Time of Discovery Mission time |
05000293/LER-2017-013 | 25 January 2018 | 1 OF 4 LER 17-013-00 for Pilgrim Nuclear Power Station Regarding Reportable Conditions Involving Standby Gas Treatment System and Secondary Containment lnoperability Not Reported During the Previous Three Years | Mission time Recently irradiated fuel |
05000293/LER-2017-012 | 13 November 2017 | Start-Up Transformer Degraded Voltage Relay Found Outside Technical Specification Limit LER 17-012-00 for Pilgrim Nuclear Power Station Regarding Start-Up Transformer Degraded Voltage Relay Found Outside Technical Specification Limit | |
05000293/LER-2017-011 | 15 August 2017 | Simultaneously Opened Reactor Building Airlock Doors Caused Loss of Secondary Containment LER 17-011-00 for Pilgrim Nuclear Power Station Regarding Simultaneously Opened Reactor Building Airlock Doors Caused Loss of Secondary Containment | Recently irradiated fuel |
05000293/LER-2017-010 | 7 August 2017 | Air Accumulation Creates Small Void in Core Spray Discharge Piping LER 17-010-00 for Pilgrim re Air Accumulation Creates Small Void in Core Spray Discharge Piping | Time of Discovery |
05000293/LER-2017-001 | 17 July 2017 | Reactor Building Isolation Dampers Failed to Isolate LER 17-001-01 for Pilgrim Nuclear Power Station Regarding Reactor Building Isolation Dampers Failed to Isolate | |
05000293/LER-2017-009 | 17 July 2017 | Supplement to Potential Primary Containment System Inoperability Due to Relay Concerns LER 17-009-00 for Pilgrim Nuclear Power Station Regarding Potential Primary Containment System lnoperability Due to Relay Concerns | Fuel cladding |
05000293/LER-2017-008 | 30 June 2017 | Supplement to 480V Bus B6 Auto Transfer Function Degraded Due to Time Delay Relay Failure LER 17-008-00 for Pilgrim re 480V Bus B6 Auto Transfer Function Degraded Due to Time Delay Relay Failure | |
05000293/LER-2017-007 | 22 June 2017 | Supplement to Potential Inoperability of Safety Relief Valve 3A LER 17-007-00 for Pilgrim Regarding Potential Inoperability of Safety Relief Valve 3A | |
05000293/LER-2016-010 | 14 June 2017 | MSIV Inoperability Led to a Condition Prohibited by the Plant s Technical Specifications LER 16-010-01 for Pilgrim Nuclear Power Station re MSIV Inoperability | Packing leak |
05000293/LER-2017-006 | 13 June 2017 | Source Range Monitor Inoperable During Fuel Movement LER 17-006-00 for Pilgrim Nuclear Power Station Regarding Source Range Monitor Inoperable During Fuel Movement | |
05000293/LER-2017-005 | 7 June 2017 | 10 CFR 50, Appendix J, Option B, Leak Rate Criteria Exceeded LER 17-005-00 for Pilgrim Regarding 10 CFR 50, Appendix J, Option B, Leak Rate Criteria Exceeded | Fuel cladding |
05000293/LER-2017-004 | 2 June 2017 | Secondary Containment Testing Led to Loss of Safety Function to Both Trains of Standby Gas Treatment System LER 17-004-00 for Pilgrim Nuclear Power Station Regarding Secondary Containment Testing Led to Loss of Safety Function to Both Trains of Standby Gas Treatment System | Mission time |
05000293/LER-2017-002 | 25 May 2017 | Isolation of HPCI LER 17-002-00 for Pilgrim Regarding Isolation of HPCI | |
05000293/LER-2017-003 | 25 May 2017 | Supplement to Suppression Pool Declared Inoperable Due to High Water Level LER 17-003-00 for Pilgrim Nuclear Power Station Regarding Pressure Suppression Pool Declared Inoperable Due to High Water Level | Time of Discovery |
05000293/LER-2016-008 | 9 December 2016 | Emergency Diesel Generator 'A' Past Inoperability LER 16-008-00 for Pilgrim Nuclear Power Station Regarding Emergency Diesel Generator 'A' Past Inoperability | Safe Shutdown Time of Discovery Mission time Abnormal operational transient |
05000293/LER-2016-007 | 4 November 2016 | Manual Reactor Scram Due To Feedwater Regulating Valve Malfunction LER 16-007-00 for Pilgrim Nuclear Power Station Regarding Manual Reactor Scram Due To Feedwater Regulating Valve Malfunction | Reactor Vessel Water Level Packing leak Power change |
05000293/LER-2016-003 | 11 July 2016 | Spent Fuel Storage Design Feature Exceeded LER 16-003-00 for Pilgrim Nuclear Power Station Regarding Spent Fuel Storage Design Feature Exceeded | Unanalyzed Condition |
05000293/LER-2016-004 | 11 July 2016 | Salt Service Water Pump B Past Operability - Operation or Condition Prohibited by Technical Specifications LER 16-004-00 for Pilgrim Nuclear Power Station Regarding Salt Service Water Pump B Past Operability - Operation or Condition Prohibited by Technical Specifications | Past operability |
05000293/LER-2016-002 | 20 June 2016 | Online Maintenance Test Configuration Prohibited By Technical Specifications LER 16-002-00 for Pilgrim Nuclear Power Station Regarding Online Maintenance Test Configuration Prohibited By Technical Specifications | Safe Shutdown Abnormal operational transient |
05000293/LER-2016-001 | 9 June 2016 | Both Emergency Diesel Generators Inoperable LER 16-001-00 for Pilgrim Nuclear Power Station Regarding Both Emergency Diesel Generators Inoperable | Safe Shutdown Abnormal operational transient Pressure boundary leak |
ML13149A172 | 26 May 2013 | E-mail from Micheal Mulligan to R.Guzman, Pilgrim Evacuation Plan Broken During Blizzard Nemo and Unenforced by the Nrc. | |
ML061370622 | 11 May 2006 | LER 06-01-000, Pilgrim Re Manual Scram Due to High Offgas Recombiner Temperature Resulting from Inadequate Preventive Recombiner Preheater Pressure Control Valve Controller | Reactor Vessel Water Level Offsite Dose Calculation Manual |
ML041670615 | 8 June 2004 | LER 99-008-01 for Pilgrim Regarding Automatic Scram at 100 Percent Power Due to Turbine Trip | Reactor Vessel Water Level Ultimate heat sink Stroke time |
ML020770061 | 27 February 2002 | LER 99-003-01 for Pilgrim Nuclear Power Station Re Local Leak Rate Test Results Exceeding Allowable Technical Specification Leakage Rates | Flow Induced Vibration |