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Issue date | Title | Topic | |
---|---|---|---|
ML17284A900 | 31 October 1999 | Rev 0 to COLR 99-15, WNP-2 Cycle 15,COLR | |
GO2-99-177, LER 99-S01-00:on 990903,failure to Take Compensatory Measure within Required Time Upon Failure of Isolation Zone Microwave Unit,Was Noted.Caused by Personnel Error.Provided Refresher Training on Compensatory Measures.With | 1 October 1999 | LER 99-S01-00:on 990903,failure to Take Compensatory Measure within Required Time Upon Failure of Isolation Zone Microwave Unit,Was Noted.Caused by Personnel Error.Provided Refresher Training on Compensatory Measures.With | |
ML17284A894 | 30 September 1999 | Monthly Operating Rept for Sept 1999 for WNP-2.With 991012 Ltr | |
ML17284A880 | 31 August 1999 | Monthly Operating Rept for Aug 1999 for WNP-2.With 990910 Ltr | |
ML17284A869 | 31 July 1999 | Monthly Operating Rept for July 1999 for WNP-2.With 990813 Ltr | |
ML17292B742 | 20 July 1999 | LER 99-001-00:on 990628,ESF Signal Closed All Eight MSIVs While Plant Was Shutdown.Caused by Failure of Relay RPS-RLY-K10D.Subject Relay Was Replaced & Tested on 990630. with 990720 Ltr | |
ML17292B727 | 30 June 1999 | Monthly Operating Rept for June 1999 for WNP-2.With 990707 Ltr | |
ML17292B696 | 31 May 1999 | Monthly Operating Repts for May 1999 for WNP-2.With 990608 Ltr | |
ML17292B664 | 30 April 1999 | Monthly Operating Rept for Apr 1999 for WNP-2.With 990507 Ltr | |
ML17292B639 | 31 March 1999 | Monthly Operating Rept for Mar 1999 for WNP-2.With 990413 Ltr | |
ML17292B587 | 28 February 1999 | Monthly Operating Rept for Feb 1999 for WNP-2.With 990311 Ltr | |
ML17292B562 | 31 January 1999 | Rev 1 to COLR 98-14, WNP-2 Cycle 14 Colr. | Feedwater Controller Failure |
ML17292B557 | 31 January 1999 | Monthly Operating Rept for Jan 1999 for WNP-2.With 990210 Ltr | |
ML17292B534 | 15 January 1999 | Part 21 Rept Re Incorrect Modeling of BWR Lower Plenum Vol in Bison.Defect Applies Only to Reload Fuel Assemblies Currently in Operation at WNP-2.BISON Code Model for WNP-2 Has Been Revised to Correct Error | Met Tower GOTHIC Power Uprate Control Room Habitability |
ML17292B533 | 15 January 1999 | Part 21 Rept Re XL-S96 CPR Correlation for SVEA-96 Fuel. Defect Applies Only to WNP-2,during Cycles 12,13 & 14 Operation.Evaluations of Defect Performed by ABB-CE | |
ML17292B574 | 31 December 1998 | WNP-2 1998 Annual Operating Rept. with 990225 Ltr | Hot Short Safe Shutdown Unanalyzed Condition High Radiation Area Stroke time Anticipated operational occurrence Tornado Missile Internal Flooding Coatings Nondestructive Examination Temporary Modification Squib Feedwater Heater Intergranular Stress Corrosion Cracking Stress corrosion cracking Excess Flow Check Valve Deep Dose Equivalent Pressure Boundary Leakage Fire Protection Program Downpower Power Uprate Overspeed trip Eddy Current Test Water hammer |
ML17292B535 | 31 December 1998 | Monthly Operating Rept for Dec 1998 for WNP-2.With 990112 Ltr | |
ML17292B479 | 31 December 1998 | Washington Public Power Supply Sys 1998 Annual Rept. with 981215 Ltr | |
ML17284A823 | 30 November 1998 | Monthly Operating Rept for Nov 1998 for WNP-2.With 981207 Ltr | |
ML17284A808 | 31 October 1998 | Monthly Operating Rept for Oct 1998 for WNP-2.With 981110 Ltr | |
ML17292B445 | 27 October 1998 | LER 98-012-01:on 980715,failure to Comply with Requirements of TS SR 3.8.4.7 Was Noted.Caused by Inadequate Work Practices.Training Session Was Held with Personnel.With 981027 Ltr | Enforcement Discretion |
ML17284A783 | 30 September 1998 | Monthly Operating Rept for Sept 1998 for WNP-2.With 981007 Ltr | |
ML17284A749 | 10 September 1998 | WNP-2 Inservice Insp Summary Rept for Refueling Outage RF13 Spring,1998. | Hydrostatic Anchor Darling VT-2 Intergranular Stress Corrosion Cracking Excess Flow Check Valve Liquid penetrant |
ML17284A756 | 3 September 1998 | LER 98-013-00:on 980805,ESF Actuations Were Noted Due to Deenergization of Vital Electrical Bus SM-8.Caused by Inadequate Direction in Troubleshooting Plan.Will Conduct Training for Engineering Personnel.With 980903 Ltr | |
ML17284A755 | 2 September 1998 | LER 98-015-00:on 980808,discovered Reactor Coolant Pressure Boundary Leak During Shutdown Conditions.Caused by Leakage from Socket Weld (Fwb 63) on Elbow Connection.Failed Piping Connection Was Replaced.With 980902 Ltr | Intergranular Stress Corrosion Cracking Pressure boundary leak Unidentified leakage |
ML17284A757 | 2 September 1998 | LER 98-014-00:on 980807,completion of TS 3.8.1.F Required Shutdown Due to Inoperability of EDG-2 Was Noted.Caused by Degraded Voltage Regulator for DG-2.Replaced Voltage Regulator & Associated Scrs.With 980902 Ltr | |
ML17284A768 | 31 August 1998 | Monthly Operating Rept for Aug 1998 for WNP-2.With 980915 Ltr | |
ML17284A731 | 17 August 1998 | LER 98-012-00:on 980716,determined That 24-month SR 3.8.4.7 Had Not Been Fulfilled within Specified Frequency.Caused by Inadequate Work Practices.License Requested & Received Enforcement Discretion Re Battery Svc test.W/980817 Ltr | Enforcement Discretion |
ML17284A726 | 31 July 1998 | Monthly Operating Rept for July 1998 for WNP-2.W/980810 Ltr | |
ML17284A712 | 23 July 1998 | LER 98-006-01:on 980520,discovered Discrepancies in Low Voltage Bus Calculations During Review of 10CFR50,App R Calculations for High Impedance Faults.Caused by Inadequate Work Practices.Implemented Procedural Changes | Safe Shutdown Unanalyzed Condition Fire Protection Program |
ML17284A695 | 17 July 1998 | LER 98-011-00:on 980617,ECCS Pump Room Flooding Was Noted Due to FP Sys Pipe Break.Caused by Inadequate Design of FP Sys.Detailed Review of FP Sys Design Was Conducted. W/980717 Ltr | Subsequent actuation Water hammer |
ML17284A696 | 15 July 1998 | LER 98-010-00:on 980615,TS Required Shutdown Due to Inoperability of TIP Sys Isolation Valve Was Noted.Caused by Improper Installation of TIP Tubing.Reattached Affected Tubing & Inspected Other TIP tubing.W/980715 Ltr | |
ML17284A673 | 1 July 1998 | LER 98-009-00:on 980606,nuclear Steam Supply Shutoff Sys Group 3 & 4 Isolations During Testing Was Noted.Caused by Procedural Deficiency.Counseled Individuals Involved in preparation.W/980701 Ltr | |
ML17284A675 | 30 June 1998 | Ro:On 980617,flooding of RB Northeast Stairwell with Consequential Flooding of Two ECCS Pump Rooms.Caused by Inadequate Fire Protection Sys Design.Pumped Out Water from Affected Areas to Point Below Berm Areas of Pump Rooms | Water hammer |
ML17284A664 | 24 June 1998 | LER 98-008-00:on 980531,inadvertent Full Scram During RPV Leak Testing in Mode 4 Was Noted.Caused by Change in Mgt Techniques.Revised Procedures to Take Into Account Addl Water Head in Pressure Sensing lines.W/980624 Ltr | Reactor Vessel Water Level |
ML17284A665 | 24 June 1998 | LER 98-007-00:on 980530,inadvertent Full Scram & Division 1 ECCS Injection Was Noted.Caused by Failure to Meet Mgt Work Practice Expectation When Encountering Deficient Procedure. Incident Review Board Convened to Review event.W/980624 Ltr | Hydrostatic Excess Flow Check Valve |
ML17284A663 | 19 June 1998 | LER 98-006-00:on 980520,discovered Discrepancies in Low Voltage Bus Calculations During Review of App R Calculations for High Impedance Fault Analysis.Caused Indeterminate. Implemented Procedural Changes Involving Operator Action | Safe Shutdown Unanalyzed Condition Fire Protection Program |
ML17284A655 | 4 June 1998 | LER 98-005-00:on 980506,potential for Failure of RHR Sys Valve to Close on Isolation Signal Was Noted.Caused by Design Deficiency.Caution Tag Was Placed on RHR-V-40 Control Switch to Inform Plant Operators of limitation.W/980604 Ltr | Stroke time |
ML17284A642 | 1 June 1998 | LER 98-004-00:on 980502,determined That Primary Containment Penetration Overcurrent Protection Does Not Meet Reg Guide 1.63 Requirements.Caused by Inadequate Design Changes. Installed Addl Fuse in RHR-MO-9 circuit.W/980601 Ltr | |
ML17292B403 | 31 May 1998 | Monthly Operating Rept for May 1998 for WNP-2.W/980608 Ltr | |
ML17284A649 | 31 May 1998 | Rev 0 to COLR 98-14, WNP-2,Cycle 14 Colr. | Feedwater Controller Failure |
ML17292B392 | 30 April 1998 | Monthly Operating Rept for Apr 1998 for WNP-2.W/980513 Ltr | |
ML17292B329 | 9 April 1998 | LER 98-003-00:on 980311,WNP-2 Experienced SCRAM Signal as Result of Low Rpv.Caused by Less than post-SCRAM Operational Strategy for Resetting SCRAM Signal in Conditions.Changes in post-SCRAM Operational Strategy implemented.W/980409 Ltr | |
ML17292B328 | 9 April 1998 | LER 98-002-00:on 980311,reactor Scram & Plant Transient Occurred,Due to Failed Closed Main Steam Isolation Valve. Caused by Loss of Pneumatic Actuating Supply Pressure. Problem Evaluation Request Written for Failure of MS-V-22D | |
ML17292B337 | 31 March 1998 | Monthly Operating Rept for Mar 1998 for WNP-2.W/980409 Ltr | |
ML17292B266 | 4 March 1998 | LER 98-001-00:on 980203,automatic Start of HPCS EDG Was Noted.Caused by Operator Error.Operations Crew Stabilized Plant at Approximately 75% Reactor Power & Investigation of Event Was initiated.W/980304 Ltr | |
ML17292B264 | 4 March 1998 | Performance Self Assessment,WNP-2. | High Radiation Area Half scram Offsite Dose Calculation Manual Temporary Modification Condition Adverse to Quality Systematic Assessment of Licensee Performance Eddy Current Testing Operability Determination Severe Accident Management Guideline Fire Protection Program Power change Skill of the craft |
ML17292B291 | 28 February 1998 | Monthly Operating Rept for Feb 1998 for WNP-2.W/980313 Ltr | |
ML17284A797 | 17 February 1998 | Rev 28 to Operational QA Program Description, WPPSS-QA-004.With Proposed Rev 29 | Safe Shutdown Fitness for Duty Non-Destructive Examination Offsite Dose Calculation Manual Fire Barrier Nondestructive Examination Process Control Program Commercial Grade Fire Protection Program Early Warning Fire Detection |
ML17292B359 | 12 February 1998 | WNP-2 Cycle 14 Reload Design Rept. | Shutdown Margin Safety Limit Minimum Critical Power Ratio |