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This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.

List of results

• 05000413/LER-2001-001  +
• ML070920323  +
• 05000311/LER-1982-064, Forwards LER 82-064/03L-0.Detailed Event Analysis Encl  +
• 05000311/LER-1983-013, Forwards LER 83-013/03L-0.Detailed Event Analysis Encl  +
• ML20092N739  +
• ML20091R415  +
• ML20148L929  +
• ML20133G577  +
• ML20133G529  +
• ML20235F888  +
• 1CAN028706, Monthly Operating Rept for Jan 1987  +
• NG-75-2210, AO 50-261/75-19:on 751208,boron Concentration Found Below Limits in Safety Injection Accumulator B.Cause Not Stated. Accumulator Partially Drained & Refilled from Refueling Water Storage Tank  +
• 05000352/LER-1987-051, :on 870922,main Control Room Ventilation Sys Isolated Due to False Channel D High Chlorine Concentration Signal.Caused by Rainwater Depositing on Analyzer Probe. Mod Being Designed  +
• 05000416/LER-1998-001, :on 980128,manual Reactor Scram Occurred Due to MSR Differential Temp.Caused by Manual Operator Actions. Replaced Blown Fuses,Master & Slave Static Switch Controllers & Synchronization Board  +
• 05000286/LER-1989-003-01, :on 890205,security Gate Found Unlocked.Caused by Cognitive Personnel Error.Upgrade of Security Procedure 4, Compensatory Measures to Clearly Define Methods of Establishing,Maintaining & Closing Posts Performed  +
• 05000413/LER-1985-023, :on 850329,reactor Power Exceeded 75% W/Only Two of Three Test Runs for Reactor Coolant Sys Performed. Caused by Software Problem.Thermal Output Calculations Program Modified,Reassembled & Reimplemented  +
• 05000265/LER-1992-009-03, :on 920327,RHR Sys Pumps 2C & 2D Autostarted During Relay 10A-K17B Testing.Caused by Personnel Using Incorrect Work Package Instructions to Direct Placement of Jumper.Work Package Revised  +
• 05000278/LER-1995-001-02, :on 950323,Unit 3 Scram on Low Condenser Vacuum Due to Loss of Steam Jet Air Ejector.Scram & PCIS Group Ii/Iii Isolation Logics Were Reset  +
• 05000353/LER-1991-013-02, :on 910717,condition Prohibiting Tech Specs Where Surveillance Requirement Not Met & Primary Containment Integrity Not Verified.Caused by Personnel Error.Procedures Revised  +
• 05000324/LER-1994-008-02, :on 940521,dispatcher Switching Evolution Resulted in Loss of Offsite Power.Instructions for Any Planned Switching Activity at Nuclear Power Plant Will Require Dual Verification  +
• 05000338/LER-1994-001-02, :on 940122,EDG Fuel Oil Transfer Pumps Declared Inoperable Due to Improper Greasing of Pump Motor Bearings.Fuel Oil Pump House Exhaust Fans Secured & Portable Heaters Installed  +
• 05000353/LER-1990-008-01, :on 900417,HPCI Sys Isolation & Inoperability Occurred Due to Failure of Differential Pressure Transmitter.Cause of Transmittal Failure Under Investigation.Transmitter Returned to Mfg  +
• 05000306/LER-1989-004, :on 891221,reactor Trips & Loss of Power to Reactor Coolant Pumps Occurred.Caused by Malfunctions in MG Sets,Rod Control Sys & Substation Breaker Control Sys. Voltage Regulator for MG Set Replaced  +
• 05000306/LER-1989-004-02, :on 891221,unit Tripped & Reactor Coolant Pumps Lost Power.Caused by Faulty Voltage Regulation of One CRD Mechanism motor-generator Set.Regulator for Set Replaced & Tested.On 891226,identical Trip Occurred  +
• 05000267/LER-1980-060, Forwards LER 80-060/03L-0  +
• ML19351E165  +
• 05000346/LER-1979-123-03, /03L-0:on 791207,svc Water Pump 3 Strainer Motor Burned Up.Caused by Single Phasing in Breaker BE1280 on Motor Control Ctr E12C.Breaker Repaired on 791212 & Returned to Svc  +
• PLA-8095, 2023 Annual Radiological Environmental Operating Report (PLA-8095)  +
• PLA-8122, Annual Radiological Environmental Operating Report (PLA-8122)  +
• 05000311/LER-1989-021-02, :on 891027,RHR Pump 21 Suction Piping Inadvertently Pressurized to 150 Psig Above FSAR Design Value of 450 Psig.Caused by Improperly Seated Cold Leg Injection Valve.Check Valves Properly Seated  +
• 05000272/LER-1987-006-02, :on 870525,observed Spring Charging Motor for Centrifugal Charging Pump 11 4 Kv Breaker Not Attached to Breaker Framework.Caused by Loosening of 4 Inch Bolts. Breakers Visually Examined for Loose Bolts  +
• 05000272/LER-1987-006, :on 870525,both Trains of High Head Steam Injection Declared Inoperable.Caused by Charging Motor Not Being Attached to Breaker Framework.Maint Procedure Modified to Detail Motor Bolt Tightening Specs  +
• 05000315/LER-1998-007, :on 980211,ice Condenser Weights Used to Determine TS Compliance Were Not Representative.Caused by Mgt Methods.Ice Condensers for Both Units Will Be Melted Out & Reloaded W/Fresh Ice  +
• 05000315/LER-1999-022, :on 990609,electrical Bus Degraded Voltage Setpoints Too Low for Safety Related Loads,Was Discovered. Caused by Lack of Understanding of Design of Plant.No Immediate Corrective Actions Necessary  +
• 05000397/LER-1990-022, :on 900930,pressure Decrease Occurred in Containment Instrument Air Sys When Nitrogen Cryogenic Tank Was Inadvertently Depleted.Containment Nitrogen Inerting Procedures PPM 2.3.1 & 2.3.7 Revised  +
• 05000388/LER-2012-001, For Susquehanna, Unit 2, Regarding Two Control Room Floor Cooling Systems Inoperable  +
• 05000354/LER-2005-003, Regarding Reactor Coolant System Leak from Check Valve Position Indicator  +
• ML18089A359  +
• ML20033C074  +
• 05000312/LER-1985-016-01, Corrected Pages of Rev 1 to LER 85-016-01  +
• 05000373/LER-1986-043, :on 861204,reactor Scram Occurred,Caused by Concurrent half-scrams on Reactor Protection Sys a & B Due to Surveillance Testing & Spurious Main Steam Line High Radiation Signal,Respectively  +