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Issue date | Title | Topic | |
---|---|---|---|
05000388/LER-2017-010 | 2 February 2018 | Condition Prohibited by Technical Specifications Due to Drift of Reactor Pressure Switches LER 17-010-00 for Susquehanna, Unit 2 Regarding Condition Prohibited by Technical Specifications Due to Drift of Reactor Pressure Switches | |
05000387/LER-2017-007 | 9 October 2017 | Secondary Containment Declared Inoperable Due to the opening of a plenum. LER 17-007-00 for Susquehanna Steam Electric Station Regarding Secondary Containment Declared Inoperable Due to Supply Air Flow | |
05000387/LER-2017-005 | 4 October 2017 | Automatic Reactor Protection System Trip on High Neutron Flux LER 17-005-01 for Susquehanna, Unit 1 Regarding Automatic Reactor Protection System Trip on High Neutron Flux | |
05000388/LER-2017-008 | 18 September 2017 | 1 OF 3 LER 17-008-00 for Susquehanna, Unit 2, Regarding Condition Prohibited by Technical Specifications Due to a Loose Terminal Block Associated with a Primary Containment Isolation Valve | |
05000387/LER-2017-006 | 6 September 2017 | Control Room Envelope In-leakage Exceeded the Technical Specification Limit LER 17-006-00 for Susquehanna, Unit 2, Regarding Secondary Containment Declared Inoperable Due to Trip of Zone II Exhaust Fan | Time of Discovery |
05000387/LER-2017-004 | 4 August 2017 | Secondary Containment Declared Inoperable Due to Failure of an Exhaust Fan Breaker. LER 17-004-00 for Susquehanna, Unit 1, Regarding Secondary Containment Declared Inoperable Due to Failure of an Exhaust Fan Breaker | |
05000387/LER-2017-003 | 5 May 2017 | Susquehanna Steam Electric Station Unit 1 05000387 LER 17-003-00 for Susquehanna, Units 1 and 2, Regarding Loss of Secondary Containment Zone 3 Due to Fan Trip | |
05000388/LER-2017-002 | 5 May 2017 | Implementation of Enforcement Guidance Memorandum (EGM) 11-003, Revision 3 during Unit 2 Refueling LER 17-002-00 for Susquehanna, Unit 2, Regarding Implementation of Enforcement Guidance Memorandum (EGM) 11-003, Revision 3 During Unit 2 Refueling | |
05000387/LER-2017-001 | 5 May 2017 | Secondary Containment Breach Due to Simultaneous Opening of Airlock Doors LER 17-001-00 for Susquehanna, Unit 2, Regarding Secondary Containment Declared Inoperable Due to Airlock Doors Open Due to Sticking Door Latch | |
05000387/LER-2017-002 | 12 April 2017 | Secondary Containment Breach due to Simultaneous Opening of Airlock Doors LER 17-002-00 for Susquehanna, Unit 1, Regarding Secondary Containment Breach due to Simultaneous Opening of Airlock Doors | Coast down |
05000388/LER-2016-005 | 12 July 2016 | Unit 2 HPCI Manually Overridden Prior to a Manual Scram During a Plant Transient LER 16-005-00 for Susquehanna, Unit 2, Regarding HPCI Manually Overridden Prior to a Manual Scram During a Plant Transient | |
05000387/LER-2016-015 | 15 June 2016 | Secondary Containment Declared Inoperable Due to Airlock Doors Open Due to a Human Performance Error LER 16-015-00 for Susquehanna, Unit 1, Regarding Secondary Containment Declared Inoperable Due to Airlock Doors Open Due to a Human Performance Error | |
05000387/LER-2016-013 | 9 June 2016 | Secondary Containment Declared Inoperable Due to Simultaneous Opening of Double Airlock Doors LER 16-013-00 for Susquehanna, Unit 1, Regarding Secondary Containment Declared Inoperable Due to Simultaneous Opening of Double Airlock Doors | Time of Discovery |
05000387/LER-2016-014 | 9 June 2016 | Secondary Containment Declared Inoperable Due to Airlock Doors Open Due to a Human Performance Error LER 16-014-00 for Susquehanna, Unit 1, Regarding Secondary Containment Declared Inoperable Due to Airlock Doors Open Due to a Human Performance Error | |
05000387/LER-2016-010 | 31 May 2016 | Secondary Containment Declared Inoperable Due to Airlock Doors Open Due to Medical Emergency LER 16-010-00 for Susquehanna, Unit 1, Regarding Secondary Containment Declared Inoperable Due to Airlock Doors Open Due to Medical Emergency | |
05000387/LER-2016-009 | 26 May 2016 | Valid Primary Containment Isolation Actuation during Local Leak Rate Testing due to Human Performance Error LER 16-009-00 for Susquehanna, Unit 1, Regarding Valid Primary Containment Isolation Actuation During Local Leak Rate Testing Due to Human Performance Error | |
05000387/LER-2016-008 | 19 May 2016 | Inoperability of Diesel Generator Due to Misalignment of MOC Switch Contacts Due to Inadequate Post Maintenance Testing LER 16-008-00 for Susquehanna, Unit 1, Regarding Inoperability of Diesel Generator Due to Misalignment of MOC Switch Contacts Due to Inadequate Post Maintenance Testing | |
05000387/LER-2016-011 | 16 May 2016 | Valve inoperability for a period longer than allowed by Technical Specifications LER 16-011-00 for Susquehanna, Unit 1, Regarding Valve Inoperability for a Period Longer Than Allowed by Technical Specifications | |
05000387/LER-2016-005 | 16 May 2016 | Secondary Containment Declared Inoperable Due to Airlock Doors Open Due to Human Performance Error LER 16-005-00 for Susquehanna, Units 1 and 2, Regarding Secondary Containment Declared Inoperable Due to Airlock Doors Open Due to Human Performance Error | Fire Watch |
05000387/LER-2016-006 | 10 May 2016 | Implementation of Enforcement Guidance Memorandum (EGM) 11-003, Revision 3 LER 16-006-00 for Susquehanna, Unit 1, Regarding Implementation of Enforcement Guidance Memorandum (EGM) 11-003, Revision 3 | |
05000387/LER-2016-004 | 10 May 2016 | Momentary Loss of Secondary Containment due to Both Airlock Doors on Elevation 779 of the Unit 2 Reactor Building being Opened at the Same Time LER 16-004-00 for Susquehanna, Unit 1, Regarding Momentary Loss of Secondary Containment Due to Both Airlock Doors on Elevation 779 of the Unit 2 Reactor Building Being Opened at the Same Time | |
05000387/LER-2016-003 | 6 May 2016 | Unit 2 Zone 3 HVAC unable to maintain Zone 3 differential pressure greater than 0.25 in wg LER 16-003-00 for Susquehanna, Unit 1, Regarding Unit 2 Zone 3 HVAC Unable to Maintain Zone 3 Differential Pressure Greater Than 0.25 in wg | Time of Discovery |
05000387/LER-2016-007 | 3 May 2016 | Inoperability of Swing Bus Transfer Switch Due to Deformed Bolt on Linkage LER 16-007-00 for Susquehanna, Unit 1, Regarding Inoperability of Swing Bus Transfer Switch Due to Deformed Bolt on Linkage | |
05000387/LER-2016-001 | 18 April 2016 | Secondary Containment Declared Inoperable Due to an Airlock Doors Open Due to Random Occurrence LER 16-001-00 for Susquehanna, Unit 1, Regarding Secondary Containment Declared Inoperable Due to an Airlock Doors Open Due to Random Occurrence | |
05000387/LER-2016-002 | 18 April 2016 | Secondary Containment Declared Inoperable Due to an Airlock Doors Open Due to Random Occurrence LER 16-002-00 for Susquehanna, Unit 1, Regarding Secondary Containment Declared Inoperable Due to an Airlock Doors Open Due to Random Occurrence | |
05000387/LER-2015-006 | 30 March 2016 | Loss of Safety Function due to Inoperability of Both Trains of the Standby Gas Treatment System and a Loss of Safety Function of the Control Room Emergency Outside Air Supply System due to Air Flow Controller found in Manual LER 15-006-01 for Susquehanna, Unit 1, Regarding Loss of Safety Function due to Inoperability of Both Trains of the Standby Gas Treatment System and a Loss of Safety Function of the Control Room Emergency Outside Air Supply System due to Air Flow... | Time of Discovery Reactor Vessel Water Level |
05000387/LER-2015-001 | 10 February 2016 | Inoperability of the 'B' Emergency Diesel Generator due to Fuel Oil Leakage LER 15-001-01 for Susquehanna, Unit 1, Regarding Condition Prohibited by Technical Specifications Due to Drift of Reactor Pressure Steam Dome - Low Switches | Time of Discovery Mission time |
05000387/LER-2015-003 | 26 January 2016 | Secondary Containment Inoperability Due to Failure to Meet Technical Specification Surveillance Requirement 3.6.4.1.1 LER 15-003-01 for Susquehanna, Unit 1, Regarding Secondary Containment Inoperability Due to Failure to Meet Technical Specification Surveillance Requirement 3.6.4.1.1 | Time of Discovery High winds |
05000387/LER-2015-009 | 11 January 2016 | Pressure Boundary Leakage From an Inadequate Weld Repair in Small Bore Pump Seal Vent Piping LER 15-009-00 for Susquehanna, Unit 1, Regarding Pressure Boundary Leakage From an Inadequate Weld Repair in Small Bore Pump Seal Vent Piping | Non-Destructive Examination Pressure Boundary Leakage |
05000387/LER-2015-007 | 8 January 2016 | Unit 1 'B' Inboard Main Steam Isolation Valve, HV141F022B closed during surveillance test which caused a SCRAM on Unit 1 LER 15-007-00 for Susquehanna, Unit 1, Regarding 'B' Inboard Main Steam Isolation Valve, HV141 F022B Closed During Surveillance Test Which Caused a SCRAM | |
PLA-7323, LER 015-001-00 for Susquehanna Regarding Inoperability of the B Emergency Diesel Generator Due to Fuel Oil Leakage | 28 April 2015 | LER 015-001-00 for Susquehanna Regarding Inoperability of the B Emergency Diesel Generator Due to Fuel Oil Leakage | Time of Discovery Mission time |