Pages that link to "05000304/LER-2010-001"
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The following pages link to 05000304/LER-2010-001:
Displaying 50 items.
- 05000304/LER-1984-006, Corrected LER 84-006-00:on 830602,during Normal Operation, Wide Range RCS Pressure Channels 403 & 405 Difference Exceeded Allowed Tolerance.Channel 405 Inoperable for 26 Days in Violation of Tech Specs (← links)
- 05000304/LER-1997-007, Forwards LER 97-007-00 Per 10CFR50.73(a)(2)(v)(B) Which Requires Written Rept for Any Event or Condition That Could Prevent Fulfillment of Safety Function of Structures or Sys Needed to Remove Residual Heat.W/Commitments Attach (← links)
- 05000304/LER-1997-006, Forwards LER 97-006-00 Per 10CFR50.73(a)92)(ii)(B) Which Requires 30 Day Written Rept When Any Event or Condition Occurs That Resulted in Condition of Nuclear Power Plant. Regulatory Commitments Encl (← links)
- 05000304/LER-1997-005, Forwards LER 97-005-00 Which Documents Event That Occurred at Zion Nuclear Power Station,Unit 2.Commitment Made within Ltr,Encl (← links)
- 05000304/LER-1997-003, Forwards LER 97-003-00 Re Unit 2 RHR Sys Declared Inoperable,Per 10CFR50.73(a)(2)(v)(B) (← links)
- 05000304/LER-1997-004, Forwards LER 97-004-00,per 10CFR50.73(a)(2)(i).Commitments Associated W/Correspondence,Encl (← links)
- 05000304/LER-1997-002, Forwards LER 97-002-00,per 10CFR50.73(a)(2)(v)(B),which Requires 30 Day Written Rept.Commitments Associated W/Correspondence,Encl (← links)
- 05000304/LER-1997-009, Forwards LER 97-009-00,re Event Which Occurred at Zion Nuclear Power Station,Unit 2.Commitments Made within Ltr Also Encl (← links)
- 05000304/LER-1997-008, Forwards LER 97-008-00 Per 10CFR50.73(a)(2)(i)(B),which Requires 30 Day Written Rept.Attachment a Provides Commitments Associated W/Correspondence (← links)
- 05000304/LER-1988-009, Corrects Typo in Transmittal Ltr for LER 88-009-00.Correct Docket Is 50-304 Not 50-204 (← links)
- 05000304/LER-1998-002, Forwards LER 98-002-00 IAW 10CFR50.73(a)(2)(i)(B). Commitments Made within Ltr,Encl (← links)
- 05000304/LER-1998-001, Forwards LER 98-001-00,per 10CFR50.73(a)(2)(iv) Which Requires 30 Written Rept Following Event That Resulted in Manual or Automatic Actuation of Any Esf,Including Rps. Commitments Also Encl (← links)
- 05000304/LER-1997-001, Forwards LER 97-001-00 Per 10CFR50.73(a)(2)(iv) Which Requires Written Rept Using NRC Form 366, License Event Rept, within 90 Days of Discovery of Event.Attachment a Contains Commitments Associated W/Ltr (← links)
- 05000304/LER-1979-033, Forwards LER 79-033/03L-0 (← links)
- 05000304/LER-1982-017, Forwards LER 82-017/03L-0 (← links)
- 05000304/LER-1978-060, Forwards LER 78-060/03L-0 (← links)
- 05000304/LER-1978-062, Forwards LER 78-062/03L-0 (← links)
- 05000304/LER-1978-061, Forwards LER 78-061/03L-0 (← links)
- 05000304/LER-1978-057, Forwards LER 78-057/03L-0 (← links)
- 05000304/LER-1982-016, Forwards LER 82-016/03L-0 (← links)
- 05000304/LER-1982-015, Forwards LER 82-015/03L-0 (← links)
- 05000304/LER-1982-014, Forwards LER 82-014/03L-0 (← links)
- 05000304/LER-1982-013, Forwards LER 82-013/03L-0 (← links)
- 05000304/LER-1989-009-06, :on 890903,vent Stack Sping Flow Monitor 2LP084 Failed,Rendering Auxiliary Bldg Stack Radiation Monitor Inoperable.Caused by Personnel Error.Required Surveillance Performed (← links)
- 05000304/LER-1985-022-01, :on 851015,fuel Handling Accident Radiation Monitor Exceeded High Alarm Setpoint of 300 Mrem/H Due to High Exposure Rate from Upper Internals,Resulting in Closure of Containment Purge Valves.Procedure Revised.W/Undated Ltr (← links)
- 05000304/LER-1989-008-07, :on 890624,breaker 27 Opened Causing Power Loss to NSSS Annunciators in Control Room.Caused by Binding of Breaker Mechanism Resulting in Insufficient Contact Pressure.Breaker 27 Removed & Replaced (← links)
- 05000304/LER-1989-006-06, :on 890426,discovered That power-range Nuclear Instrument Channel Defeated on Power Mismatch Switch,Rod Stop Bypass Switch & Upper & Lower Current Comparator Switches.Caused by Personnel Error (← links)
- 05000304/LER-1989-007-02, :on 890428,discovered That Vent Stack Radiation Monitor Found in High Radiation Mode.Cause Unknown.Vent Stack Monitor Realigned to Normal Operation.Procedure Change Authorizes Performance of Surveillance (← links)
- 05000304/LER-1989-051, :on 890624,power Lost to NSSS Annunciators in Control Room Due to Opening of Breaker 27.Caused by Binding of Breaker Mechanism Triggering Insufficient Contact Pressure.Breaker 27 Removed & Replaced (← links)
- 05000304/LER-1998-002-05, :on 980408,failure to Maintain Sufficient Swps Operable Was Noted.Caused by Personnel Error.Disciplined Unit Supervisor for Failure to Meet Expectation to Ensure Proper Plant Configuration Prior to Proceeding W/Test (← links)
- 05000304/LER-1989-005-03, :on 890220,discovered That Tech Spec Action Statements Not Met for Inoperable Auxiliary Bldg Vent Stack Monitor.Monitor Inoperable Since 890219.Caused by Personnel Error.Procedures Will Be Revised (← links)
- 05000304/LER-1984-004, :on 840120,vendor Informed That Auxiliary Feedwater Valve Setting Insufficient to Insure RCS Cooling. Existing FSAR Analyses Had out-dated Info.Operators Instructed to Raise Feedwater Flow (← links)
- 05000304/LER-1988-011-01, :on 881111,incorrect Installation of Wires on Second Level Undervoltage Contact Resulted in Inability of 480-volt Transformer Feed Breaker to Close.Caused by Inadequate Mod Testing.Wiring Corrected (← links)
- 05000304/LER-1985-029-01, :on 851201,containment Purge Inlet & Outlet Isolation Valves & Air Exhaust Stack Radiation High Annunciator Alarmed.Caused by Spurious Spike on Monitor 2RT-PR09C.Value of Capacitor Changed (← links)
- 05000304/LER-1988-015-09, :on 881219,operator Noticed That Auxiliary Feedwater Pump Headers Not Split,As Required by Tech Specs Due to Inoperable Pump.Caused by Deficiency in Plant Heatup Procedure.Procedure Revised (← links)
- 05000304/LER-1988-013-02, :on 881219,discovered That Shiftly Grab Samples Not Taken During Two Containment Vents Which Were Performed While Radiation Monitor 2RIA-PR40 Out of Svc.Caused by Poor Communication.Procedure Zrp 1720-1 Revised (← links)
- 05000304/LER-1987-004-09, :on 870717,reactor Trip Breaker Trip Occurred. Caused by Inadequate Procedure.Procedure Change Initiated to Instruct Operator to Trip Both Reactor Trip Breakers Prior to Removal of All Dummy Loads (← links)
- 05000304/LER-1987-006-07, :on 870729,approx 3,500 Gallons of Water from Refueling Water Storage Tank Inadvertently Injected Into Rcs.Caused by Personnel Error Contrary to Approved Procedure.Procedure Revised (← links)
- 05000304/LER-1987-005-08, :on 870723,during Performance of Procedure PT-10,Nuclear Instrumentation Channel 43 Tripped Reactor Trip Breakers.Caused by Procedural Inadequacy.Procedure to Be Revised (← links)
- 05000304/LER-1987-009-09, :on 871118,nuclear Instrumentation Sys Upper & Lower Flux Deviation Audible Annunciators Defeated.Caused by Deficiency in Mgt Controls.Annunciator Response Manual Updated (← links)
- 05000304/LER-1985-029, :on 851201,purge Isolation Occurred.Caused by Spurious Spike on Monitor 2RT-PR09C Due to Voltage Spiking on Ac Power Feed to Monitor.Permanent Ac Line Filter Will Be Installed on Power Feed for Monitor (← links)
- 05000304/LER-1987-003-08, :on 870707,reactor Containment Fan Cooler Autostarted in Low Speed During Test of Secondary Undervoltage Protection Relays.Caused by Personnel Error. Personnel Counseled (← links)
- 05000304/LER-1989-004-03, :on 890211,air Ejector Offgas Radiation Monitors Inoperable Due to Blower Installed on Wrong Unit. Caused by Personnel Error.Extensive Labeling Improvement Program Initiated & Tailgate Sessions Held (← links)
- 05000304/LER-1987-008-09, :on 870908,discharge Stop Valve Deenergized in Throttled Position,Rendering Valve Inoperable Contrary to Requirements of Tech Spec 3.9.3.Caused by Out of Svc Auxiliary Feedwater Discharge Stop Valve (← links)
- 05000304/LER-1989-003-01, :on 890131,operator Received Rod Urgent Failure Alarms While Attempting to Withdraw Control Rod Bank C. Caused by Both Cognitive & Procedural Personnel Error.Card Replaced & Unit Brought Critical (← links)
- 05000304/LER-1989-002-04, :on 890125,unauthorized Open Knife Switch Controlling Load Shedding Relay 237 Lsx Occurred.Cause Not Readily Determined.Corrective Action Will Be Reported in Suppl Response After Root Cause Is Identified (← links)
- 05000304/LER-1987-007-08, :on 870826,auxiliary Feedwater Pump 2A Autostarted.Caused by AFP3-XB & AFP1-XB Relay Contact Failures.Relays Replaced.Other Relays Inspected for Misaligned Contacts (← links)
- 05000304/LER-1996-004-02, :on 970423,radiation Protection Technicians Had Difficulty Operating Inner Containment Air Lock While Entering to Take Daily Samples.Caused by Mgt Deficiency. Existing Preventive Maint Program Revised (← links)
- 05000304/LER-1996-004-01, Forwards LER 96-004-01 Re Results of Investigation Into Failure of Unit Containment Inner Air Lock Door.Addl Corrective Action Listed in Attachment a (← links)
- 05000304/LER-1998-001-09, :on 980223,inadvertent Closure of Containment Purge Isolation Valves & Subsequent Failure to Make Required Notifications on Time Due to Inadequate Communications & Procedural Problems Occurred.Shift Manager & RPT Counseled (← links)