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| Issue date | Title | Topic | |
|---|---|---|---|
| ML17265A760 | 5 October 1999 | Part 21 Rept Re W2 Switch Supplied by W Drawn from Stock, Did Not Operate Properly After Being Installed on 990409. Switch Returned to W on 990514 for Evaluation & Root Cause Analysis | |
| ML17265A762 | 30 September 1999 | Monthly Operating Rept for Sept 1999 for Re Ginna Npp.With 991008 Ltr | |
| ML17265A753 | 23 September 1999 | Part 21 Rept Re Corrective Action & Closeout of 10CFR21 Rept of Noncompliance Re Unacceptable Part for 30-4 Connector. Unacceptable Parts Removed from Stock & Scrapped | |
| ML17265A754 | 22 September 1999 | LER 99-011-00:on 990823,small Tears Were Discovered in Flexible Duct Work Connector at Inlet of CR HVAC Sys Return Air Fan (AKF08).Caused by in-leakage Greater than That Assumed.Implemented Temporary Mod 99-029.With 990922 Ltr | Temporary Modification |
| ML17265A747 | 31 August 1999 | Monthly Operating Rept for Aug 1999 for Re Ginna Npp.With 990909 Ltr | |
| ML17265A743 | 24 August 1999 | LER 99-004-01:on 990412,discovered That Containment Recirculation Fan Chevron Separator Vanes Were Installed Backwards.Caused by Improper Assembly by Mfg.Moisture Separator Vanes Were Dismantled & Correctly re-installed | Time of Discovery Past operability |
| ML17265A734 | 31 July 1999 | Monthly Operating Rept for July 1999 for Re Ginna Npp.With 990806 Ltr | |
| ML17265A729 | 29 July 1999 | Interim Part 21 Rept Re safety-related DB-25 Breaker Mechanism Procured from W Did Not Pas Degradatin Checks When Drawn from Stock to Be Installed Into BUS15/03A.Holes Did Not line-up & Tripper Pan Bent | |
| ML17265A718 | 23 July 1999 | LER 99-007-01:on 990423,reactor Trip Occurred Due to Instrument & Control Technicians Inadvertently Pulling Fuses from Wrong Nuclear Instrument Channel.Setpoint Adjustments Were Completed by Different Crew of Technicians | Shutdown Margin |
| ML17265A708 | 22 July 1999 | LER 98-003-02:on 980904,actuations of CR Emergency Air Treatment Sys Was Noted Due to Invalid Causes.Caused by Various Degraded Components in CR RM Sys.Creats Actuation Signal Was Reset & Normal Ventilation Was Restored | |
| ML17265A713 | 22 July 1999 | Special Rept:On 990407,radiation Monitor RM-14A Was Declared Inoperable.Caused by Failed Communication Link from TSC to Plant Process Computer Sys.Communication Link Was re-established & RM-14A Was Declaed Operable on 990521 | Offsite Dose Calculation Manual |
| ML17265A703 | 19 July 1999 | LER 99-S01-00:on 990617,determined That Temporary Unescorted Access Had Been Granted to Contractor Employee.Caused by Incomplete Info Re Circumstances of Individual Military Separation.Individual Access Was Revoked.With 990719 Ltr | |
| ML17265A721 | 19 July 1999 | ISI Rept for Third Interval (1990-1999) Third Period, Second Outage (1999) at Re Ginna Npp. | Boric Acid Packing leak Hydrostatic VT-2 Earthquake Liquid penetrant |
| ML17265A702 | 15 July 1999 | LER 99-010-00:on 990615,ventilation Isolation of Auxiliary Bldg Occurred When Auxiliary Bldg Gas Radiation Monitor R-14 Reached High Alarm Setpoint.Cr Operators Rest Auxiliary Bldg Ventilation Isolation Signal.With 990715 Ltr | Offsite Dose Calculation Manual |
| ML17265A766 | 30 June 1999 | 1999 Rept of Facility Changes,Tests & Experiments Conducted Without Prior NRC Approval for Jan 1998 Through June 1999, Per 10CFR50.59.With 991020 Ltr | Ultimate heat sink Tornado Missile Earthquake Fuel cladding |
| ML17265A701 | 30 June 1999 | Monthly Operating Rept for June 1999 for Re Ginna Npp.With 990712 Ltr | |
| ML17265A685 | 21 June 1999 | LER 99-001-01:on 990222,deficiencies in NSSS Vendor steam- Line Brake Mass & Energy Release Analysis Results in Plant Being Outside Design Bases Occurred.Caused by Deficiencies in W.Temporary Administrative Replaced.With 990621 Ltr | Boric Acid Time of Discovery Shutdown Margin Stroke time |
| ML17265A676 | 16 June 1999 | Part 21 Rept Re Defects & noncompliances,10CFR21(d)(3)(ii), Which Requires Written Notification to NRC on Identification of Defect or Failure to Comply. Relays Were Returned to Eaton for Evaluation & Root Cause Analysis | |
| ML17265A666 | 2 June 1999 | LER 99-009-00:on 990503,instrumentation Declared Inoperable in Multiple Channels Resulted in Condition Prohibited by Ts. Caused by Unanticipated High Frequency AC Voltage Ripple. Entered TS LCO 3.0.3.With 990602 Ltr | |
| ML17265A668 | 31 May 1999 | Monthly Operating Rept for May 1999 for Re Ginna Nuclear Power Plant.With 990608 Ltr | Offsite Circuit |
| ML17265A665 | 27 May 1999 | Interim Rept Re W2 Control Switch,Procured from W,Did Not Operate Satisfactorily When Drawn from Stock to Be Installed in Main Control Board for 1C2 Safety Injection Pump. Estimated That Evaluation Will Be Completed by 991001 | |
| ML17309A654 | 27 May 1999 | LER 99-008-00:on 990427,overtemperature Delta T Reactor Trip Occurred Due to Faulted Bistable During Calibr of Redundant Channel.Plant Was Stabilized in Mode 3 & Faulted Bistable Was Subsequently Replaced.With 990527 Ltr | |
| ML17265A663 | 24 May 1999 | LER 99-007-00:on 990423,technicians Inadvertently Pulled Fuses from Wrong Nuclear Instrument Cahnnel,Causing Reactor Trip,Due to High Range Flux Trip.Caused by Personnel Error. Labeling Scheme Improved | Shutdown Margin |
| ML17265A660 | 21 May 1999 | LER 99-006-00:on 990421,start of turbine-driven Auxiliary Feedwater Pump Was Noted.Caused by MOV Being Left in Open Position.Closed Manual Isolation Valve to Secure Steam to Pump.With 990521 Ltr | |
| ML17265A659 | 17 May 1999 | Part 21 Rept Re Relay Deficiency Detected During pre-installation Testing.Caused by Incorrectly Wired Relay Coil.Relays Were Returned to Eaton Corp for Investigation. Relays Were Repaired & Retested | |
| ML17265A644 | 13 May 1999 | LER 99-005-00:on 990413,undervoltage Signal of Safeguards Bus During Testing Resulted in Automatic Start of B Edg. Caused by Personnel Error.Blown Fuse Was Replaced & Offsite Power Was Restored to Safeguards Bus 17.With 990513 Ltr | |
| ML17265A643 | 12 May 1999 | LER 99-004-00:on 990412,discovered That Containment Recirculation Fan Moisture Separator Vanes Were Incorrectly Installed,Per 10CFR21.Caused by Improper Assembly by Mfg. Subject Vanes Were Dismantled & Correctly re-installed | Unanalyzed Condition Time of Discovery |
| ML17265A638 | 7 May 1999 | Part 21 Rept Re Replacement Turbocharger Exhaust Turbine Side Drain Port Not Functioning as Design Intended.Caused by Manufacturing Deficiency.Turbocharger Was Reaasembled & Reinstalled on B EDG | Commercial Grade Dedication |
| ML17265A639 | 30 April 1999 | Monthly Operating Rept for Apr 1999 for Re Ginna Nuclear Power Plant.With 990510 Ltr | |
| ML17265A636 | 23 April 1999 | Part 21 Rept Re Power Supply That Did Not Work Properly When Drawn from Stock & Installed in -25 Vdc Slot.Power Supply Will Be Sent to Vendor to Perform Failure Mode Assessment.Evaluation Will Be Completed by 991001 | |
| ML17265A630 | 18 April 1999 | Rev 1 to Cycle 28 COLR for Re Ginna Npp. | Shutdown Margin |
| ML17265A625 | 15 April 1999 | Special Rept:On 990309,halon Systems Were Removed from Svc & Fire Door F502 Was Blocked Open.Caused by Mods Being Made to CR Emergency Air Treatment Sys.Continuous Fire Watch Was Established with Backup Fire Suppression Equipment | Fire Barrier Continuous fire watch Fire Watch |
| ML17265A655 | 9 April 1999 | Initial Part 21 Rept Re Mfg Deficiency in Replacement Turbocharger for B EDG Supplied by Coltec Industries. Deficiency Consisted of Missing Drain Port in Intermediate Casing.Required Oil Drain Port Machined Open | |
| ML17265A629 | 31 March 1999 | Rev 0 to Cycle 28 COLR for Re Ginna Npp. | Shutdown Margin |
| ML17265A624 | 31 March 1999 | Monthly Operating Rept for Mar 1999 for Ginna Station.With 990409 Ltr | |
| ML17265A614 | 31 March 1999 | LER 99-003-00:on 990301,two Main Steam non-return Check Valves Were Declared Inoperable Due to Exceedance of Acceptance Criteria.Caused by Changes in Methodology & Matls.Packing Gland Torque Will Be Adjusted.With 990331 Ltr | Breakaway torque |
| ML17265A613 | 29 March 1999 | LER 99-002-00:on 990227,discovered That Surveillance Had Not Been Performed at Frequency,Per Ts.Caused by Personnel Error.Procedure O-6.13 Will Be Evaluated for Enhancement Documentation of Completion of ITS Srs.With 990329 Ltr | Time of Discovery Missed surveillance |
| ML17265A606 | 24 March 1999 | LER 99-001-00:on 990222,plant Was Noted Outside Design Basis.Caused by Deficiencies in NSSS Vendor Slb Mass & Energy Release.Placed Temporary Administrative Restriction 40 Degrees F Max on Screenhouse Bay Temp | Boric Acid Time of Discovery Shutdown Margin Stroke time |
| ML17265A566 | 1 March 1999 | Rev 26 to QA Program for Station Operation. | Coatings Nondestructive Examination Grace period |
| ML17265A596 | 28 February 1999 | Monthly Operating Rept for Feb 1999 for Ginna Nuclear Power Plant.With 990310 Ltr | |
| ML17265A537 | 31 January 1999 | Monthly Operating Rept for Jan 1999 for Re Ginna Nuclear Power Plant.With 990205 Ltr | |
| ML17265A595 | 31 December 1998 | Rg&E 1998 Annual Rept. | |
| ML17265A500 | 21 December 1998 | Rev 26 to QA Program for Station Operation. | Safe Shutdown Non-Destructive Examination Offsite Dose Calculation Manual Fire Barrier Commercial Grade Dedication Coatings Nondestructive Examination Condition Adverse to Quality Grace period |
| ML17265A495 | 21 December 1998 | LER 98-005-00:on 981120,loss of 34.5 Kv Offsite Power Circuit 751,resulted in Automatic Start of B Edg.Caused by Faulted Cable Splice.Performed Appropriate Actions of Abnormal Procedure AP-ELEC.1.With 981221 Ltr | Offsite Circuit |
| ML17265A493 | 17 December 1998 | LER 98-004-00:on 971030,determined That Improperly Performed Surveillance Resulted in Condition Prohibited by Ts.Caused by Procedure non-adherence.Appropriate Calibr Procedures Were Properly Performed with 24 H of Condition Discovery | Time of Discovery Missed surveillance |
| ML17265A476 | 30 November 1998 | Monthly Operating Rept for Nov 1998 for Re Ginna Nuclear Power Plant.With 981210 Ltr | |
| ML17265A469 | 25 November 1998 | LER 98-003-01:on 980904,actuations of CR Emergency Air Treatment Systems (Creats) Occurred.Caused by Radon build-up During Temp Inversion.Creats Actuation Signal Was Reset & Normal Ventilation Was Restored to CR | |
| ML17265A453 | 31 October 1998 | Monthly Operating Rept for Oct 1998 for Re Ginna Nuclear Power Plant.With 981110 Ltr | |
| ML17265A427 | 5 October 1998 | LER 98-003-00:on 980904,actuations of CR Emergency Air Treatment Sys Occurred.Caused by Radon build-up During Temp Inversion.Air Samples Were Taken & Determined That Source of Radiation Was Naturally Occurring Radon.With 981005 Ltr | |
| ML17265A429 | 30 September 1998 | Monthly Operating Rept for Sept 1998 for Re Ginna Nuclear Power Plant.With 981009 Ltr |