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 Issue dateTitleTopic
ML17284A90031 October 1999Rev 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.With1 October 1999LER 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
ML17284A89430 September 1999Monthly Operating Rept for Sept 1999 for WNP-2.With 991012 Ltr
ML17284A88031 August 1999Monthly Operating Rept for Aug 1999 for WNP-2.With 990910 Ltr
ML17284A86931 July 1999Monthly Operating Rept for July 1999 for WNP-2.With 990813 Ltr
ML17292B74220 July 1999LER 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
ML17292B72730 June 1999Monthly Operating Rept for June 1999 for WNP-2.With 990707 Ltr
ML17292B69631 May 1999Monthly Operating Repts for May 1999 for WNP-2.With 990608 Ltr
ML17292B66430 April 1999Monthly Operating Rept for Apr 1999 for WNP-2.With 990507 Ltr
ML17292B63931 March 1999Monthly Operating Rept for Mar 1999 for WNP-2.With 990413 Ltr
ML17292B58728 February 1999Monthly Operating Rept for Feb 1999 for WNP-2.With 990311 Ltr
ML17292B55731 January 1999Monthly Operating Rept for Jan 1999 for WNP-2.With 990210 Ltr
ML17292B56231 January 1999Rev 1 to COLR 98-14, WNP-2 Cycle 14 Colr.Feedwater Controller Failure
ML17292B53415 January 1999Part 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 ErrorMet Tower
ML17292B53315 January 1999Part 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
ML17292B47931 December 1998Washington Public Power Supply Sys 1998 Annual Rept. with 981215 Ltr
ML17292B53531 December 1998Monthly Operating Rept for Dec 1998 for WNP-2.With 990112 Ltr
ML17292B57431 December 1998WNP-2 1998 Annual Operating Rept. with 990225 LtrHot Short
Safe Shutdown
Unanalyzed Condition
High Radiation Area
Stroke time
Anticipated operational occurrence
Tornado Missile
Internal Flooding
Coatings
Nondestructive Examination
Temporary Modification
Squib
Deep Dose Equivalent
Pressure Boundary Leakage
Fire Protection Program
Downpower
ML17284A82330 November 1998Monthly Operating Rept for Nov 1998 for WNP-2.With 981207 Ltr
ML17284A80831 October 1998Monthly Operating Rept for Oct 1998 for WNP-2.With 981110 Ltr
ML17292B44527 October 1998LER 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 LtrEnforcement Discretion
ML17284A78330 September 1998Monthly Operating Rept for Sept 1998 for WNP-2.With 981007 Ltr
ML17284A74910 September 1998WNP-2 Inservice Insp Summary Rept for Refueling Outage RF13 Spring,1998.Hydrostatic
Anchor Darling
VT-2
Liquid penetrant
ML17284A7563 September 1998LER 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
ML17284A7572 September 1998LER 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
ML17284A7552 September 1998LER 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 LtrPressure boundary leak
ML17284A76831 August 1998Monthly Operating Rept for Aug 1998 for WNP-2.With 980915 Ltr
ML17284A73117 August 1998LER 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 LtrEnforcement Discretion
ML17284A72631 July 1998Monthly Operating Rept for July 1998 for WNP-2.W/980810 Ltr
ML17284A71223 July 1998LER 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 ChangesSafe Shutdown
Unanalyzed Condition
Fire Protection Program
ML17284A69517 July 1998LER 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
ML17284A69615 July 1998LER 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
ML17284A6731 July 1998LER 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
ML17284A67530 June 1998Ro: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
ML17284A66424 June 1998LER 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 LtrReactor Vessel Water Level
ML17284A66524 June 1998LER 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 LtrHydrostatic
ML17284A66319 June 1998LER 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 ActionSafe Shutdown
Unanalyzed Condition
Fire Protection Program
ML17284A6554 June 1998LER 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 LtrStroke time
ML17284A6421 June 1998LER 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
ML17284A64931 May 1998Rev 0 to COLR 98-14, WNP-2,Cycle 14 Colr.Feedwater Controller Failure
ML17292B40331 May 1998Monthly Operating Rept for May 1998 for WNP-2.W/980608 Ltr
ML17292B39230 April 1998Monthly Operating Rept for Apr 1998 for WNP-2.W/980513 Ltr
ML17292B3299 April 1998LER 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
ML17292B3289 April 1998LER 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
ML17292B33731 March 1998Monthly Operating Rept for Mar 1998 for WNP-2.W/980409 Ltr
ML17292B2644 March 1998Performance Self Assessment,WNP-2.High Radiation Area
Half scram
Offsite Dose Calculation Manual
Temporary Modification
Condition Adverse to Quality
Systematic Assessment of Licensee Performance
Severe Accident Management Guideline
Fire Protection Program
Power change
ML17292B2664 March 1998LER 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
ML17292B29128 February 1998Monthly Operating Rept for Feb 1998 for WNP-2.W/980313 Ltr
ML17284A79717 February 1998Rev 28 to Operational QA Program Description, WPPSS-QA-004.With Proposed Rev 29Safe Shutdown
Fitness for Duty
Non-Destructive Examination
Offsite Dose Calculation Manual
Fire Barrier
Nondestructive Examination
Process Control Program
Fire Protection Program
Early Warning Fire Detection
ML17292B35912 February 1998WNP-2 Cycle 14 Reload Design Rept.Shutdown Margin
Safety Limit Minimum Critical Power Ratio
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