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| Issue date | Title | Topic | |
|---|---|---|---|
| LIC-88-1006, Ro:On 881001-31,listed Fire Barriers & Detection Sys Rendered Inoperable.Fire Detection Zones 9 & 30 Rendered Inoperable on 881001 & 05,respectively.Restoration within Tech Spec Limit Could Not Be Accomplished | 14 November 1988 | Ro:On 881001-31,listed Fire Barriers & Detection Sys Rendered Inoperable.Fire Detection Zones 9 & 30 Rendered Inoperable on 881001 & 05,respectively.Restoration within Tech Spec Limit Could Not Be Accomplished | Fire Barrier Fire Watch |
| LIC-90-0569, Followup RO Re Inoperability of Fire Door 1013-7.Since Replacement Work for Door Involves Removal of Part of Pyrocrete Wall That Surrounds Door Opening,Door Operability Delayed Until 900801.Compensatory Measures in Place | 29 June 1990 | Followup RO Re Inoperability of Fire Door 1013-7.Since Replacement Work for Door Involves Removal of Part of Pyrocrete Wall That Surrounds Door Opening,Door Operability Delayed Until 900801.Compensatory Measures in Place | Fire Barrier |
| LIC-90-0608, Special Rept:On 900629,inoperability of Fire Protection Equipment Occurred Due to Excessive Security Alarms Being Received on Door.Door Propped Open & Required Fire Protection/Security Measures Established | 3 August 1990 | Special Rept:On 900629,inoperability of Fire Protection Equipment Occurred Due to Excessive Security Alarms Being Received on Door.Door Propped Open & Required Fire Protection/Security Measures Established | Fire Barrier Continuous fire watch Hourly Fire Watch |
| LIC-90-0876, Special Rept:On 901009,fire Door 1011-1 Declared Inoperable as Fire Barrier.Caused by Damage to Skin of Door During Corrective Maint on Lockset.Door Expected to Be Replaced by 901231 | 15 November 1990 | Special Rept:On 901009,fire Door 1011-1 Declared Inoperable as Fire Barrier.Caused by Damage to Skin of Door During Corrective Maint on Lockset.Door Expected to Be Replaced by 901231 | Fire Barrier Hourly Fire Watch |
| LIC-91-0011, Special Rept:On 910211,both Barrier Penetrations 19-E-39 Between Room 19 & Turbine Bldg & Concrete Block Wall at East End of Corridor 4 Breached to Support Long Term Maint on HX AC-1A.Appropriate Compensatory Measures in Place | 20 March 1991 | Special Rept:On 910211,both Barrier Penetrations 19-E-39 Between Room 19 & Turbine Bldg & Concrete Block Wall at East End of Corridor 4 Breached to Support Long Term Maint on HX AC-1A.Appropriate Compensatory Measures in Place | Fire Barrier Continuous fire watch Hourly Fire Watch |
| LIC-91-0089, Special Rept:On 910610,gas Stack Monitor Failed New Surveillance Test for post-installation Testing.Caused by Excessive Circuit Noise on Signal Line.Troubleshooting Efforts Underway to Isolate Source of Noise | 24 June 1991 | Special Rept:On 910610,gas Stack Monitor Failed New Surveillance Test for post-installation Testing.Caused by Excessive Circuit Noise on Signal Line.Troubleshooting Efforts Underway to Isolate Source of Noise | |
| LIC-91-0097, Supplemental Special Rept:On 910610,wide Range Noble Gas Stack Monitors Found Inoperable Due to Excessive Circuit Noise on Signal Line Interferring W/Automatic Switching Function.Time Relay Item Repaired | 15 August 1991 | Supplemental Special Rept:On 910610,wide Range Noble Gas Stack Monitors Found Inoperable Due to Excessive Circuit Noise on Signal Line Interferring W/Automatic Switching Function.Time Relay Item Repaired | |
| LIC-91-0099, Ro:On 910819,fire Door 1007-9 Found to Not Have Ul Label Certifying Its Fire Rating.Door Declared Inoperable. Evaluation of Door Added to Scope of Ongoing Fire Barrier Upgrade Program.Program Completion Scheduled for June 1992 | 20 September 1991 | Ro:On 910819,fire Door 1007-9 Found to Not Have Ul Label Certifying Its Fire Rating.Door Declared Inoperable. Evaluation of Door Added to Scope of Ongoing Fire Barrier Upgrade Program.Program Completion Scheduled for June 1992 | Fire Barrier Continuous fire watch Hourly Fire Watch |
| LIC-91-0277, Special Rept:On 911023,barrier Penetration 19-E-39,between Room 19 & Turbine Bldg,Breached to Support long-term Maint on Component Cooling Water Hxs.Compensatory Measures Implemented.Barriers Will Be Restored Prior to 920131 | 25 November 1991 | Special Rept:On 911023,barrier Penetration 19-E-39,between Room 19 & Turbine Bldg,Breached to Support long-term Maint on Component Cooling Water Hxs.Compensatory Measures Implemented.Barriers Will Be Restored Prior to 920131 | Fire Barrier Continuous fire watch Hourly Fire Watch |
| LIC-92-0267, Special Rept:On 921029,foam Removed from Surface of Fire Barrier Penetration 77-F-282 in Support of Electrical Maint. Appropriate Compensatory Measures in Place Prior to Removal of Foam & Until Seal Repaired & Returned to Operability | 20 November 1992 | Special Rept:On 921029,foam Removed from Surface of Fire Barrier Penetration 77-F-282 in Support of Electrical Maint. Appropriate Compensatory Measures in Place Prior to Removal of Foam & Until Seal Repaired & Returned to Operability | Fire Barrier Continuous fire watch Hourly Fire Watch |
| LIC-93-0243, Special Rept:On 930823 & 28,Fire Protection Impairment Permits 3364 & 3374 Initiated for Fire Barrier Penetrations 81-F-17 & 56-F-234,respectively,to Support Maint on Portable Water Sys.Penetrations Returned to Service on 930907 | 24 September 1993 | Special Rept:On 930823 & 28,Fire Protection Impairment Permits 3364 & 3374 Initiated for Fire Barrier Penetrations 81-F-17 & 56-F-234,respectively,to Support Maint on Portable Water Sys.Penetrations Returned to Service on 930907 | Fire Barrier Continuous fire watch Fire Watch |
| LIC-93-0272, Special Rept:On 930928,Containment Penetration E-11 Was Breached to Support Installation of Test Flange for SG Eddy Current Testing.Impairment Permit 3457 Generated,Fire Watch Established.Eddy Current Testing Completed 931030 | 4 November 1993 | Special Rept:On 930928,Containment Penetration E-11 Was Breached to Support Installation of Test Flange for SG Eddy Current Testing.Impairment Permit 3457 Generated,Fire Watch Established.Eddy Current Testing Completed 931030 | Fire Barrier Fire Watch Hourly Fire Watch |
| LIC-93-0282, Special Rept:On 931015,fire Protection Impairment Permit 3560 Initiated for Fire Door 1007-11 in Order to Support Work Associated W/Mod of Radiation Monitors.Door Returned to Functional Status & Fpip 3560 Closed on 931029 | 18 November 1993 | Special Rept:On 931015,fire Protection Impairment Permit 3560 Initiated for Fire Door 1007-11 in Order to Support Work Associated W/Mod of Radiation Monitors.Door Returned to Functional Status & Fpip 3560 Closed on 931029 | |
| LIC-93-0292, Special Rept:On 931026,Fire Protection Impairment Permit (Fpip) 3619 Initiated for Containment Fire Detection Zone 17 to Support Troubleshooting & Repair of Zone 17 Detector.Fire Watch Established Until Affected Zones Cleared | 9 December 1993 | Special Rept:On 931026,Fire Protection Impairment Permit (Fpip) 3619 Initiated for Containment Fire Detection Zone 17 to Support Troubleshooting & Repair of Zone 17 Detector.Fire Watch Established Until Affected Zones Cleared | Fire Barrier Continuous fire watch Fire Watch Hourly Fire Watch |
| LIC-93-0305, Special Rept:On 931129,Fire Protection Impairment Permit (Fpip) 3699 Initiated for Motor Driven Fire Pump FP-1A & on 931203,FPIP 3702 Initiated for FP-1A.Pump Has Since Been Returned to Operable Status & Fpips 3699 & 3702 Closed | 5 January 1994 | Special Rept:On 931129,Fire Protection Impairment Permit (Fpip) 3699 Initiated for Motor Driven Fire Pump FP-1A & on 931203,FPIP 3702 Initiated for FP-1A.Pump Has Since Been Returned to Operable Status & Fpips 3699 & 3702 Closed | Fire Barrier Continuous fire watch Fire Watch Hourly Fire Watch |
| LIC-94-0028, Special Rept:On 931222,diesel Driven Fire Pump FP-1B Declared Inoperable After Pump Failed to Start While Conducting Procedure OP-ST-FP-001.Replacement Starter Procured,Installed & Declared Operable on 940106 | 21 January 1994 | Special Rept:On 931222,diesel Driven Fire Pump FP-1B Declared Inoperable After Pump Failed to Start While Conducting Procedure OP-ST-FP-001.Replacement Starter Procured,Installed & Declared Operable on 940106 | Fire Barrier Continuous fire watch Hourly Fire Watch |
| LIC-94-0050, Special Rept:On 940120,discovered That Seal Around Penetration 56E-F-331 Degraded Due to Time Required to Repair Penetration Seal.Penetration Returned to Functional Status & Fpip 3776 Closed | 25 February 1994 | Special Rept:On 940120,discovered That Seal Around Penetration 56E-F-331 Degraded Due to Time Required to Repair Penetration Seal.Penetration Returned to Functional Status & Fpip 3776 Closed | Fire Barrier Continuous fire watch Hourly Fire Watch |
| LIC-94-0107, Special Rept:On 940420,fire Protection Impairment Permit Initiated to Address Inoperability of Fire Detectors. Appropriate Compensatory Measures Will Remain in Place for Duration of Impairment | 27 May 1994 | Special Rept:On 940420,fire Protection Impairment Permit Initiated to Address Inoperability of Fire Detectors. Appropriate Compensatory Measures Will Remain in Place for Duration of Impairment | Hourly Fire Watch |
| LIC-95-0128, Special Rept:On 950605,monitors RM-062 & RM-063 Removed from Svc to Allow Installation of Mod MR-FC-84-155C & Engineering Change Notice 94-567 on RM-062.RM-063 Expected to Be Operable by 950630 | 19 June 1995 | Special Rept:On 950605,monitors RM-062 & RM-063 Removed from Svc to Allow Installation of Mod MR-FC-84-155C & Engineering Change Notice 94-567 on RM-062.RM-063 Expected to Be Operable by 950630 | |
| LIC-97-0036, Special Rept:On 970321,excessive Grease Voids Were Found in Helical Wall Tendons on Containment Tendon Prestressing Sys.Insp Has Been Conducted | 21 March 1997 | Special Rept:On 970321,excessive Grease Voids Were Found in Helical Wall Tendons on Containment Tendon Prestressing Sys.Insp Has Been Conducted | |
| LIC-97-0133, Special Rept:On 970805,main Steam Line Radiation Monitor, RM-064,declared Inoperable Due to Leakage Past Isolation Valve HCV-922.Plant Maint Document,Mwr 9702939,written to Track Repairs.Next Refueling Outage Scheduled for 980321 | 19 August 1997 | Special Rept:On 970805,main Steam Line Radiation Monitor, RM-064,declared Inoperable Due to Leakage Past Isolation Valve HCV-922.Plant Maint Document,Mwr 9702939,written to Track Repairs.Next Refueling Outage Scheduled for 980321 | Post Accident Monitoring |
| LIC-98-0160, Special Rept:On 981113,MSL RM RM-064 Was Declared Inoperable Due to Leakage Past Isolation Valve HCV-922.Troubleshooting Has Indicated That Leakage Has Stopped & Cause of Leak Continues to Be Investigated | 25 November 1998 | Special Rept:On 981113,MSL RM RM-064 Was Declared Inoperable Due to Leakage Past Isolation Valve HCV-922.Troubleshooting Has Indicated That Leakage Has Stopped & Cause of Leak Continues to Be Investigated | Post Accident Monitoring |
| ML20053E995 | 20 May 1982 | Ro:On 820519,potential Failure of Turbine Driven Auxiliary Feedwater Pump Steam Supply Line Identified.Condition Not Considered in Sar.Design Mod Being Evaluated | |
| ML20055B972 | 21 May 1982 | Ro:On 820521,no Flow Condition Observed on Blowdown Sample Flow from RC-2B.Caused by Closure of HCV-2507A (Containment Isolation Blowdown Sample Valve).Valve Immediately Opened. Investigation Continuing | |
| ML20063H434 | 8 February 1994 | Special Rept:On 931210,discovered Discrepancy in Three Impellers Purchased by Util to Be Used on Byron Jackson Type 28RXL VC Two Stage Pump.Impellers Shipped to Bw/Ip for Evaluation | |
| ML20087K058 | 14 May 1976 | RO 76-18:on 760514,found That Radioactive Matls Release Rate of Halogens & Particulars W/Half Lives Greater than 8 Days Exceeded 9.6E-02 Uci Per Second.Cause Under Investigation | |
| ML20087L018 | 16 July 1976 | RO 76-5:on 750311,pressure Switch Setting for Recirculation Actuation Signal Had Drifted Upward in Excess of Tech Spec Limit.Design Change Request Initiated on 750313 to Develop Mod to Existing Design to Ensure Conformance | |
| ML20090A310 | 24 February 1992 | Special Rept:On 920116,0130,0205,07 & 08,listed Fire Protection Equipment Inoperable for More than 7 Days. Required Compensatory Measures Will Remain in Place Until Equipment Functional or Documentation Located | Fire Barrier Continuous fire watch Hourly Fire Watch |
| ML20090D804 | 7 May 1984 | Special Rept:On 840409-0416,fire Pump 1A Inoperable for Period Longer than 7 Days.Caused by Extensive Repairs to Screen CW-28 Lasting Longer than Anticipated.No Corrective Action Necessary | |
| ML20091G283 | 22 May 1984 | Ro:On 840516,discovered Unanticipated Increase in Water Level in Steam Generator B.Caused by Steam Generator Tube Failure.Efforts Initiated to Determine Corrective Actions | Hydrostatic |
| ML20091P794 | 28 January 1992 | Special Rept:On 920117,wide-range Noble Gas Stack Monitor RM-063M for post-accident Monitoring Declared Inoperable & Not Returned to Operable Status within 7 Days.Caused by Faulty Mechanical Switch.Maint Work Order Issued | |
| ML20094K053 | 13 March 1992 | Special Rept:On 920218,fire Barrier Between Corridor 4 & Room 21 Breached by Removal of Floor Plug to Support Installation Mod.Fire Barrier Remains Breached at Present & Will Be Restored by End of 1992 Refueling Outage | Fire Barrier Continuous fire watch Hourly Fire Watch |
| ML20095A781 | 15 April 1992 | Special Rept:On 920309,fire Barrier Between Room 81 & Turbine Bldg Damaged & Declared Inoperable.Replacement Door Shipped W/O Required Qualification Documentation Therefore Installation Delayed.Installation Completed by 920430 | Fire Barrier Fire Watch Hourly Fire Watch |
| ML20096D908 | 11 May 1992 | Special Rept Re Excessive Grease Voids Found in Dome & Helical Wall Tendons of Containment Tendon Prestressing Sys. Addl Actions Are Planned for 1996 Surveillance.Grease Void Measurements Encl | |
| ML20102A532 | 21 July 1992 | Speciat Rept:On 920615,Fire Door 1007-19 Damaged & Declared Inoperable Due to Rip in Skin of Door Caused by Cart. Appropriate Compensatory Measures,Per TS 2.19(7) Instituted During Impairment.Door Repaired & Returned to Svc on 920624 | Fire Barrier Hourly Fire Watch |
| ML20116K783 | 10 November 1992 | Special Rept:On 920928,Halon Fire Suppression Sys for Cable Spreading Room Removed from Svc & Not Restored to Operable Status within 14 Days.Caused by Need to Perform Mod to Upgrade Sys.Compensatory Measures in Place | |
| ML20118A366 | 25 August 1992 | Special Rept:On 920720,fire Barrier Penetration Seals 81-E-7 & 81-E-8 Discovered Damaged & Declared Inoperable.On 920728, Fire Barrier Between Corridor 52 & Technical Support Ctr Declared Inoperable.Compensatory Measures in Place | Fire Barrier Continuous fire watch Hourly Fire Watch |
| ML20133A135 | 18 July 1985 | Special Rept:On 850611,Fire Door 1011-1 Determined Inoperable Due to Failed Closure Mechanism & Subsequent Failure of Frame Anchors.Continued Inoperability Beyond 7 Days Caused by Delayed Receipt of Replacement Door | Fire Barrier |
| ML20134L286 | 5 September 1984 | Special Rept:On 850822,wide-range Noble Gas Stack Monitor RM-063L,M,H Removed from Svc for Calibr & Not Restored within 7 Days.Caused by Unavailability of Sources Necessary for Completion of Monitoring Calibr | Post Accident Monitoring |
| ML20135G330 | 9 September 1985 | Ro:On 850908,small Release of Nonradioactive Chlorine Gas Occurred.Isolation Valve Failed to Close Cylinder Which Contained Chlorine.Operator Immediately Reestablished Sys Integrity Which Terminated Chlorine Gas Escape | |
| ML20136D162 | 23 December 1985 | Special Rept:On 851117,pyrocrete Fire Barrier Separating Fire Areas 36A & 36B Found Damaged.Caused by Work on Bus Ducts in Immediate Area.Maint Order 857613 Issued & Hourly Fire Watch Established | Fire Barrier Hourly Fire Watch |
| ML20138Q995 | 30 October 1985 | Special Rept:On 850924,UL Insp Rept on Fire Barrier Fire Doors Received Re Nonconformance W/Nfpa 80 & Ul Guidelines. Standing Order G-58, Fire Barrier Penetrations & Maint Procedure MP-FIREDOOR-1 Incorporated in Operating Manuals | Safe Shutdown Fire Barrier |
| ML20147F516 | 4 March 1988 | Special Rept:On 880128,discovered That Fire Damper 61 Inoperable.Caused by Holes Inadvertently Made in Damper Sleeve to Allow Conduit to Pass Through.Fire Damper Inoperable in Excess of 7 Days.Damper Sleeve Replaced | Time of Discovery Fire Barrier |
| ML20151F047 | 19 July 1988 | Corrected Special Rept;On 880315,alarms Received Indicating Problems W/Qualified SPDS Channel.Caused by Isolator Expander Module on Expander Card Overheating.Card Replaced | |
| ML20151G661 | 14 April 1988 | Special Rept:On 880315,alarms Received in Control Room Which Indicate Problems W/Qualified SPDS Channel a (QSPDS A). Personnel Noticed Smell of Hot Insulation Coming from QSPDS a Panel AI-208A.Caused by Overheated Expander Card | |
| ML20151J589 | 25 July 1988 | Ro:On 880616,seal 70-F-222 Found Inoperable.Caused by Normal Seal Matl Shrinkage.Hourly Fire Watch Established.Barrier Restored to Operable Status Using Routine Repair Procedures | Fire Barrier Hourly Fire Watch |
| ML20153G526 | 2 September 1988 | Special Rept:On 880729,fire Barrier Penetration Seals Inoperable for More than 7 Days During Plant Mod.Fire Watch Patrol Initiated within 1 H After Discovery of Inoperable Barrier | Fire Barrier Fire Watch |
| ML20154G994 | 15 September 1988 | Special Rept:On 880809 & 0815,fire Barrier Penetration Seals Inoperable for More than 7 Days Due to Unavailable Seal Matl.Fire Detector Operability Verified,Hourly Watch Initiated & Seals Restored to Operable Status | Fire Barrier |
| ML20154H017 | 14 September 1988 | Special Rept:On 880815,B Channel Reactor Vessel Level Instrumentation Inoperable Due to Junction Thermocouple Probe Failure.Replacement Sensors to Be Purchased | |
| ML20154N480 | 23 September 1988 | Special Rept:On 880822,fire Barrier Penetration Seals 26-N-24 & 69-F-186 Rendered Inoperable During Plant Mod. Seals Remained Inoperable in Excess of 7 Days.Firewatch Patrol Initiated | Fire Barrier |