05000269/LER-1982-016, Forwards LER 82-016/01T-0.Detailed Event Analysis Encl
05000269/LER-1982-015, Forwards LER 82-015/03L-0.Detailed Event Analysis Encl
05000369/LER-1985-011-01, :on 850409,samples Taken from Cold Leg Accumulator a Prior to Unit Shutdown Revealed Low Boron Concentration.Caused by Component Failure.Boron Concentration Returned to within Specs
SBK-L-19049, License Amendment Request 19-01, Application to Revise the Technical Specifications Associated with Emergency Core Cooling System Accumulators
05000327/LER-1984-005, :on 840109,cold Leg Accumulator 3 Declared Inoperable Due to High Boron Concentration.Cause Not Stated. Accumulator Drained & Diluted
05000327/LER-1982-028-03, /03L-0:on 820214 & 15,in Mode 3,cold Leg Accumulator 4 Declared Inoperable Due to Low Boron Concentration.Caused by Leak Through in Flow Control Leak Test & Fill Line Valves.Five Valves Investigated & Repaired
05000312/LER-1981-056, Forwards LER 81-056/01T-0.Detailed Event Analysis Submitted
05000443/LER-1993-005, :on 930318,two Accumulator Isolation Valves & Selected ECCS Valves Had Power Restored to Operator While Performing Miscellaneous Valve Stroke Surveillance.Caused by Personnel Error.Mccs E522 & E622 Deenergized
05000289/LER-1993-001-02, :on 930126,Pressure Switch BS-PS-286 Declared Inoperable Because of Failure to Meet Reduncy Requirement of TS Table 3.5-1.Five Remaining Similar Switches Inspected & Deadband Reset as Required
05000369/LER-1981-070-03, /03L-0:on 810426,while in Mode 3,initial Fuel Loading Cold Leg Injection Accumulator C High Level Alarm Received in Control Room.Caused by Leaking Discharge Check Valves.Leaking Valve Repaired
05000369/LER-1981-069-03, /03L-0:on 810426,while in Mode 3 Initial Fuel Loading,Cold Leg Accumulator D Low Level Alarm Received in Control Room.Caused by Leaking Safety Injection Test Header. Level Restored.Leaking Valve Will Be Replaced & Tested
05000369/LER-1981-070, Forwards LER 81-070/03L-0.Detailed Event Analysis Encl
05000369/LER-1981-060, Forwards LER 81-060/03L-0.Detailed Event Analysis Encl
05000327/LER-1980-150-03, /03L-0:on 800927 During Surveillance in Mode 3, Check Valve Leak Rate Exceeded Tech Spec Limit.Caused by Valve 63-635 Stuck in Open Position Due to Interference Between Disc Nut Lockwire Tack Weld & Valve Body
05000244/LER-1997-007, :on 971117,reactor Engineer Recognized That Neutron Flux Low Range Trip Circuitry for Channel Was Not in Tripped Condition as Required.Caused by Technical Inadequacies.Channel Defeat Will Be Identified
05000289/LER-1991-001-02, :on 910707,inoperability of Degraded Grid Voltage Relays Resulting from Reinstallation of Volt Breaker.Caused by Physical Configuration of Switchgear Cubicle.Engineering Evaluation Performed
05000328/LER-1992-006-01, :on 920609,failure to Perform Surveillance Instruction within Required Time Frame Identified.Caused by Inadequate Communication Between Personnel.Si Performed
05000328/LER-1983-068-03, /03L-0:on 830504,during Routine Filling of Cold Leg 2 Accumulator,Safety Injection Pump Inadvertently Left On,Resulting in Accumulator Being Overfilled & Overpressurized.Caused by Personnel Error