ML20054L570
From kanterella
| ML20054L570 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 06/23/1982 |
| From: | Ray H SOUTHERN CALIFORNIA EDISON CO. |
| To: | Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| NUDOCS 8207080255 | |
| Download: ML20054L570 (2) | |
Similar Documents at San Onofre | |
|---|---|
Category:REPORTABLE OCCURRENCE REPORT (SEE ALSO AO
MONTHYEARML20028H2781990-11-13013 November 1990
[Table view]Special Rept:On 901029,condenser Evacuation Sys Noble Gas Monitor Inoperable for More than 72 H.Monitor Will Return to Svc by 901119,following Completion of Satisfactory Channel Calibr ML20042E1251990-04-0404 April 1990 Special Rept:On 900325,meteorologic Tower Declared Inoperable for More than 7 Days.Caused by Failure of Primary Delta Temp Channel ML20012D9201990-03-20020 March 1990 Special Rept:On 900312,planned Maint Outage of 1E Bs Bus Initiated to Complete 5-yr Bus Cleaning Surveillance, Rendering All Fire Dectection Sys Alarms & Sprinkler Sys Inoperable.Containment Air Temps Monitored Hourly ML20011E3211990-02-0101 February 1990 Special Rept:On 891227,pressurizer Base Support Strong Motion Accelerometer 2XT-8020D Declared Inoperable for More than 30 Days Due to Playback Readings Outside Test Acceptance Criteria.Repairs Planned During Next Outage ML20005D6971989-12-11011 December 1989 Special Rept:On 891127,wide Range Gas Monitor Removed from Svc for Performance of 18-month Channel Calibr Surveillance. Monitor Will Be Returned to Svc by 891216 Following Completion of Satisfactory Channel Calibr ML19332F1791989-11-30030 November 1989 Ro:Air Ejector Exhaust Treatment Sys Inoperable for More than 31 Days.Sys Declared Inoperable.Failure to Implement Reporting Requirement Attributed to Inadequate Guidance in Interpretation of Intent & Requirement of Tech Spec ML19325E2921989-10-18018 October 1989 Followup Ro:In Sept 1989,identified Fire Doors Found Inoperable During Routine Surveillances Consisting of 17 Latching Mechanism Failures & 8 Closure Mechanism Failures. No Doors Found to Be Blocked Open ML20024D5041983-07-19019 July 1983 RO 83-067:on 830718,review of Fire Protection Surveillance Program Revealed That Fire Detectors Failed Routine Surveillance Testing & Were Not Declared Inoperable.Fire Watches Not Posted ML20024C7771983-06-29029 June 1983 RO:C-E Has Advised Util That RCS Hot Leg Sampling Line Nozzle Loads Exceed Stress Limits.Acceptability of ASME Requirements Being evaluated.Fourteen-day Rept Will Be Submitted by 830712 ML20052H6901982-05-0606 May 1982 Ro:Submits Corrections to Equipment Tag Number Errors in LER 82-007 on 820407 ML20052E2201982-04-28028 April 1982 RO 82-011:on 820427,both Channels on Control Room Airborne Radiation Monitor Found Inoperable.Caused by Failure to Maintain Emergency Mode for Air Cleanup Sys During 820313 Preventive Maint ML20050M3871982-04-0101 April 1982 RO Re Deficiency in Establishment of Sufficient Fire Watches,Per Tech Spec Section 3.7.9,App a Limiting Conditions for Operation.Continuous Fire Watches Established.Impact Evaluation Will Be Submitted in 14 Days ML20050B7031982-03-26026 March 1982 Ro:On 820324,w/reactor in Mode 5,unplanned Dilution Occurred While Filling RCS Water Storage Tank from Refueling Water Storage Tank ML20050A0001982-03-15015 March 1982 Ro:On 820314,low Pressure Safety Injection Pump Lost Due to Air in Pump.Pumps Vented & Shutdown Cooling Restored. Investigation in Progress.Results Will Be Forwarded w/14-day Rept & Two LERs 1990-04-04 Category:LER) MONTHYEARML20028H2781990-11-13013 November 1990
[Table view]Special Rept:On 901029,condenser Evacuation Sys Noble Gas Monitor Inoperable for More than 72 H.Monitor Will Return to Svc by 901119,following Completion of Satisfactory Channel Calibr ML20042E1251990-04-0404 April 1990 Special Rept:On 900325,meteorologic Tower Declared Inoperable for More than 7 Days.Caused by Failure of Primary Delta Temp Channel ML20012D9201990-03-20020 March 1990 Special Rept:On 900312,planned Maint Outage of 1E Bs Bus Initiated to Complete 5-yr Bus Cleaning Surveillance, Rendering All Fire Dectection Sys Alarms & Sprinkler Sys Inoperable.Containment Air Temps Monitored Hourly ML20011E3211990-02-0101 February 1990 Special Rept:On 891227,pressurizer Base Support Strong Motion Accelerometer 2XT-8020D Declared Inoperable for More than 30 Days Due to Playback Readings Outside Test Acceptance Criteria.Repairs Planned During Next Outage ML20005D6971989-12-11011 December 1989 Special Rept:On 891127,wide Range Gas Monitor Removed from Svc for Performance of 18-month Channel Calibr Surveillance. Monitor Will Be Returned to Svc by 891216 Following Completion of Satisfactory Channel Calibr ML19332F1791989-11-30030 November 1989 Ro:Air Ejector Exhaust Treatment Sys Inoperable for More than 31 Days.Sys Declared Inoperable.Failure to Implement Reporting Requirement Attributed to Inadequate Guidance in Interpretation of Intent & Requirement of Tech Spec ML19325E2921989-10-18018 October 1989 Followup Ro:In Sept 1989,identified Fire Doors Found Inoperable During Routine Surveillances Consisting of 17 Latching Mechanism Failures & 8 Closure Mechanism Failures. No Doors Found to Be Blocked Open ML20024D5041983-07-19019 July 1983 RO 83-067:on 830718,review of Fire Protection Surveillance Program Revealed That Fire Detectors Failed Routine Surveillance Testing & Were Not Declared Inoperable.Fire Watches Not Posted ML20024C7771983-06-29029 June 1983 RO:C-E Has Advised Util That RCS Hot Leg Sampling Line Nozzle Loads Exceed Stress Limits.Acceptability of ASME Requirements Being evaluated.Fourteen-day Rept Will Be Submitted by 830712 ML20052H6901982-05-0606 May 1982 Ro:Submits Corrections to Equipment Tag Number Errors in LER 82-007 on 820407 ML20052E2201982-04-28028 April 1982 RO 82-011:on 820427,both Channels on Control Room Airborne Radiation Monitor Found Inoperable.Caused by Failure to Maintain Emergency Mode for Air Cleanup Sys During 820313 Preventive Maint ML20050M3871982-04-0101 April 1982 RO Re Deficiency in Establishment of Sufficient Fire Watches,Per Tech Spec Section 3.7.9,App a Limiting Conditions for Operation.Continuous Fire Watches Established.Impact Evaluation Will Be Submitted in 14 Days ML20050B7031982-03-26026 March 1982 Ro:On 820324,w/reactor in Mode 5,unplanned Dilution Occurred While Filling RCS Water Storage Tank from Refueling Water Storage Tank ML20050A0001982-03-15015 March 1982 Ro:On 820314,low Pressure Safety Injection Pump Lost Due to Air in Pump.Pumps Vented & Shutdown Cooling Restored. Investigation in Progress.Results Will Be Forwarded w/14-day Rept & Two LERs 1990-04-04 Category:TEXT-SAFETY REPORT MONTHYEARML20217E3381999-09-30030 September 1999
[Table view]Monthly Operating Repts for Sept 1999 for Songs,Units 2 & 3 ML20212A1471999-09-13013 September 1999 Special Rept:On 990904,condenser Monitor Was Declared Inoperable.Difficulties Encountered During Component Replacement Precluded SCE from Restoring Monitor to Service within 72 H.Alternate Method of Monitoring Was Established ML20211N0511999-09-0303 September 1999 SER Approving Exemption from Certain Requirements of 10CFR50.44 & 10CFR50 App A,General Design Criterion 41 to Remove Requirements from Hydrogen Control Systems from SONGS Units 2 & 3 Design Basis ML20211Q8201999-08-31031 August 1999 Monthly Operating Repts for Aug 1999 for Songs,Units 2 & 3. with ML20211H8621999-08-23023 August 1999 Safety Evaluation Accepting Licensee Requests for Relief RR-E-2-03 - RR-E-2-08 from Exam Requirements of Applicable ASME Code,Section Xi,For First Containment ISI Interval ML20210P4791999-08-11011 August 1999 COLR Cycle 10 Songs,Unit 3 ML20210P4731999-08-11011 August 1999 COLR Cycle 10 Songs,Unit 2 ML20210Q6521999-07-31031 July 1999 Monthly Operating Repts for July 1999 for Songs,Units 2 & 3 ML20210L2771999-07-30030 July 1999 SONGS Unit 3 ISI Summary Rept 2nd Interval,2nd Period Cycle 10 Refueling Outage U3C10 Site Technical Services ML20209C9281999-06-30030 June 1999 Monthly Operating Repts for June 1999 for Songs,Units 2 & 3. with ML20195D3061999-06-0202 June 1999 Safety Evaluation of TR SCE-9801-P, Reload Analysis Methodology for San Onofre Nuclear Generating Station,Units 2 & 3. Rept Acceptable ML20195H5491999-05-31031 May 1999 Monthly Operating Rept for May 1999 for Songs,Units 2 & 3 ML20196L3221999-05-11011 May 1999 SONGS Unit 2 ISI Summary Rept 2nd Interval,2nd Period Cycle-10 Refueling Outage ML20206H2611999-05-0505 May 1999 Part 21 Rept Re Defect Found in Potter & Brumfield Relays. Sixteen Relays Supplied in Lot 913501 by Vendor as Commercial Grade Items.Caused by Insufficient Contact Pad Welding.Relays Replaced with New Relays ML20206S7281999-04-30030 April 1999 Monthly Operating Repts for Apr 1999 for Songs,Units 2 & 3 ML20205Q6221999-04-19019 April 1999 Safety Evaluation Authorizing Proposed Alternative to Use Wire Penetrameters for ISI Radiography in Place of ASME Code Requirement ML20205R0371999-04-16016 April 1999 SER Approving Proposed Deviation from Approved Fire Protection Program Incorporating Technical Requirements of 10CFR50,App R,Section III.0 That Applies to RCP Oil Fill Piping ML20205G2611999-04-0101 April 1999 Special Rept:On 990328,3RT-7865 Was Removed from Service. Monitor Is Scheduled to Be Returned to Service Prior to Mode 4 Entry (Early May 1999) Which Will Exceed 72 H Allowed by LCS 3.3.102.Alternate Method of Monitoring Will Be Used ML20205Q0981999-03-31031 March 1999 Monthly Operating Repts for Mar 1999 for Songs,Units 2 & 3 ML20204F8101999-02-28028 February 1999 Monthly Operating Repts for Songs,Units 2 & 3.With ML20203J1981999-02-12012 February 1999 Safety Evaluation Supporting Amends 149 & 141 to Licenses NPF-10 & NPF-15,respectively ML20202F7041999-01-21021 January 1999 Special Rept:On 990106,SCE Began to Modify 2RT-7865.2RT-7865 to Allow Monitor to Provide Input to New Radiation Monitoring Data Acquisition Sys.Monitor Found to Exceeds 72 H Allowed Bt LCS 3.3.102.Alternate Monitoring Established ML20199F0771998-12-31031 December 1998 Monthly Operating Repts for Dec 1998 for Songs,Units 2 & 3 ML20206H2101998-12-31031 December 1998 SCE 1998 Annual Rept ML20198A6731998-12-11011 December 1998 Special Rept:On 981124,meteorological Sys Wind Direction Sensor Was Observed to Be Inoperable.Caused by Loss of Communication from Tower to Cr.Sensor Was Replaced & Sys Was Declared Operable on 981204 ML20196D8901998-11-30030 November 1998 Non-proprietary Reload Analysis Methodology for Songs,Units 2 & 3 ML20198C3471998-11-30030 November 1998 Monthly Operating Repts for Nov 1998 for Songs,Units 2 & 3 ML20195H2471998-10-31031 October 1998 Monthly Operating Repts for Oct 1998 for Songs,Units 2 & 3 ML20154B7211998-10-0101 October 1998 Safety Evaluation Approving Licensee Request to Implement Alternatives Contained in Code Case N-546 for Current Interval at Songs,Units 2 & 3 Until Code Case Approved by Ref in Reg Guide 1.147 ML20154M7921998-09-30030 September 1998 Monthly Operating Repts for Sept 1998 for Songs,Units 2 & 3 ML20155F6081998-09-17017 September 1998 Non-proprietary Version of San Onofre 2 & 3 Replacement LP Rotors ML20151Z9851998-08-31031 August 1998 Monthly Operating Repts for Aug 1998 for Songs,Units 2 & 3 ML20151Q1211998-08-14014 August 1998 Rev 0 to Control of Hazard Barriers ML18066A2771998-08-13013 August 1998 Part 21 Rept Re Deficiency in CE Current Screening Methodology for Determining Limiting Fuel Assembly for Detailed PWR thermal-hydraulic Sa.Evaluations Were Performed for Affected Plants to Determine Effect of Deficiency ML20198G4491998-07-31031 July 1998 Rev 1 to WCAP-15015, Specific Application of Laser Welded Sleeves for SCE San Onofre Units 2 & 3 Sgs ML20237B8571998-07-31031 July 1998 Monthly Operating Repts for July 1998 for Songs,Units 2 & 3 ML20236N3871998-07-0909 July 1998 Part 21 Rept Re Deficiency Identified in Event 32725, Corrected by Mgp Instruments Inc.Licensee Verified,Affected Equipment Has Been Reworked & Tested at Sce.Design Mod Completed ML20236R1031998-06-30030 June 1998 Monthly Operating Repts for June 1998 for Songs,Units 2 & 3 ML20249A9431998-05-31031 May 1998 Monthly Operating Repts for May 1998 for Songs,Units 2 & 3 ML20248B8981998-05-26026 May 1998 Updated SG Run Time Analysis Cycle 9 ML20248B9221998-04-30030 April 1998 Rev 0 to AES 98033327-1-1, Updated Probabilistic Operational Assessment for SONGS Unit 2,Second Mid Cycle Operating Period,Cycle 9 ML20247L5181998-04-30030 April 1998 Monthly Operating Repts for Apr 1998 for Songs,Units 2 & 3 05000361/LER-1998-003, LOCA Evaluation of Safety Significance of Failure of Emergency Sump Valve Linestarter (LER 1998-003)1998-04-0606 April 1998 LOCA Evaluation of Safety Significance of Failure of Emergency Sump Valve Linestarter (LER 1998-003) ML20217Q6161998-04-0505 April 1998 Failure Analysis Rept 98-005,Failure Analysis of 2HV9305 Motor Starter ML20217A0141998-03-31031 March 1998 Monthly Operating Repts for Mar 1998 for Songs,Units 2 & 3 ML20217D4701998-03-0202 March 1998 Rev 1 to 90459, Failure Modes & Effects Analysis DG Cross- Tie,DCP7048.00SE ML20216J3551998-02-28028 February 1998 Monthly Operating Repts for Feb 1998 for Songs,Units 2 & 3 ML20203E7301998-02-17017 February 1998 SER Accepting 980105 Request to Use Mechanical Nozzle Seal Assembly as Alternate Repair Method,Per 10CFR50.55a(a)(3)(1) for Plant,Units 2 & 3 ML20203K9141998-02-0303 February 1998 Rev 0 to ESFAS Radiation Monitor Single Failure Analysis. W/96 Foldout Drawings ML20202F9731998-01-31031 January 1998 Monthly Operating Repts for Jan 1998 for Songs,Units 2 & 3 1999-09-30 |
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