05000333/LER-1997-001, :on 970123,manual Reactor Scram Occurred Due to Fouling of Circulating Water Sys Traveling Screens.Caused by Potential Loss of CWS Intake Water Due to Restriction of Flow Through Three CWS Traveling Screens.Procedures Revised

From kanterella

(Redirected from 05000333/LER-1997-001)

Jump to navigation Jump to search

:on 970123,manual Reactor Scram Occurred Due to Fouling of Circulating Water Sys Traveling Screens.Caused by Potential Loss of CWS Intake Water Due to Restriction of Flow Through Three CWS Traveling Screens.Procedures Revised
Person / Time
ML20202J416
Site:	FitzPatrick
Issue date:	02/13/1998
From:	Brownell G POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK
To:
Shared Package
ML20202J333	List: 05000333/LER-1997-001, :on 970123,manual Reactor Scram Occurred Due to Fouling of Circulating Water Sys Traveling Screens.Caused by Potential Loss of CWS Intake Water Due to Restriction of Flow Through Three CWS Traveling Screens.Procedures Revised
References
LER-97-001, LER-97-1, NUDOCS 9802230148
Download: ML20202J416 (7)
v • d • e

LER-1997-001, on 970123,manual Reactor Scram Occurred Due to Fouling of Circulating Water Sys Traveling Screens.Caused by Potential Loss of CWS Intake Water Due to Restriction of Flow Through Three CWS Traveling Screens.Procedures Revised

Event date:
Report date:
3331997001R00 - NRC Website
v • d • e

text

Licensee Event Report

70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 |

90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |

10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 |

		Reporting criterion
05000333/LER-1997-001, :on 970123,manual Reactor Scram Occurred Due to Fouling of Circulating Water Sys Traveling Screens.Caused by Potential Loss of CWS Intake Water Due to Restriction of Flow Through Three CWS Traveling Screens.Procedures Revised	on 970123,manual Reactor Scram Occurred Due to Fouling of Circulating Water Sys Traveling Screens.Caused by Potential Loss of CWS Intake Water Due to Restriction of Flow Through Three CWS Traveling Screens.Procedures Revised
05000333/LER-1997-002, :on 970124,shutdown Cooling Isolation Occurred. Caused by Pressure Transient.Placed Shutdown Cooling in Service After Resetting Isolation Logic & Refilling & Venting Sys	on 970124,shutdown Cooling Isolation Occurred. Caused by Pressure Transient.Placed Shutdown Cooling in Service After Resetting Isolation Logic & Refilling & Venting Sys	10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)
05000333/LER-1997-003, :on 970213,identified Potential Overpressurization of Containment Penetrations Due to Thermal Expansion.Caused by Original Plant Design.Completed Operability Determinations IAW GL 91-18	on 970213,identified Potential Overpressurization of Containment Penetrations Due to Thermal Expansion.Caused by Original Plant Design.Completed Operability Determinations IAW GL 91-18	10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 10 CFR 50.73(a)(2)
05000333/LER-1997-004-01, :on 970428,safety Relief Valve Failed to Open During Setpoint Verification Testing.Caused by Presence of Small Screw.Revised Target-Rock 2-Stage SRV Assembly Test Procedures,Reported Per 10CFR21	on 970428,safety Relief Valve Failed to Open During Setpoint Verification Testing.Caused by Presence of Small Screw.Revised Target-Rock 2-Stage SRV Assembly Test Procedures,Reported Per 10CFR21
05000333/LER-1997-005, :on 970525,manual Reactor Scram Occurred Due to Failure of Number 3 Main Tcv.Caused by Damaged Valve Spring Can Coupling.Replaced Valve Spring Can Coupling Bolt of Four TCVs & Four CIVs & Completed Review	on 970525,manual Reactor Scram Occurred Due to Failure of Number 3 Main Tcv.Caused by Damaged Valve Spring Can Coupling.Replaced Valve Spring Can Coupling Bolt of Four TCVs & Four CIVs & Completed Review	10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)
05000333/LER-1997-006-01, :on 970616,discovered That Instrumentation Isolation Trip Function Surveillance Test Had Not Been Performed at Required Frequency.Caused by Personnel Error. Completed Surveillance Test	on 970616,discovered That Instrumentation Isolation Trip Function Surveillance Test Had Not Been Performed at Required Frequency.Caused by Personnel Error. Completed Surveillance Test	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(1)
05000333/LER-1997-008, Forwards LER 97-008-00 Re Inoperability of Both Trains of SGTS Due to Flow Restriction in Discharge Line	Forwards LER 97-008-00 Re Inoperability of Both Trains of SGTS Due to Flow Restriction in Discharge Line	10 CFR 50.73(a)(2)(vii), Common Cause Inoperability
05000333/LER-1997-008-01, :on 970806,both Trains of SGTS Were Declared Inoperable Due to Flow Restriction in Discharge Line. Developed Periodic Surveillance That Can Adequately Detect Blockage in Drain Line	on 970806,both Trains of SGTS Were Declared Inoperable Due to Flow Restriction in Discharge Line. Developed Periodic Surveillance That Can Adequately Detect Blockage in Drain Line
05000333/LER-1997-009-01, :on 970905,discovered Radwaste Bldg Exhaust Monitor Instrument Channel Calibr Test,Required Ts.Caused by Personnel Error.Comprehensive Root Cause Analysis Completed to Review & Identified Human Performance Considerations	on 970905,discovered Radwaste Bldg Exhaust Monitor Instrument Channel Calibr Test,Required Ts.Caused by Personnel Error.Comprehensive Root Cause Analysis Completed to Review & Identified Human Performance Considerations	10 CFR 50.73(a)(2)(1)
05000333/LER-1997-009, Forwards LER 97-009-00 Re Exceeded Quarterly Calibr Frequency for Radwaste Bldg Exhaust Radiation Monitor.No Commitments Contained in Rept	Forwards LER 97-009-00 Re Exceeded Quarterly Calibr Frequency for Radwaste Bldg Exhaust Radiation Monitor.No Commitments Contained in Rept
05000333/LER-1997-010-01, :on 971021,determined That Surveillance Testing of Primary Containment Pressure Chamber,Drywell Vacuum Breakers Coincident W/Loca.Caused by Inadequate Procedures Reviews.Procedures Revised	on 971021,determined That Surveillance Testing of Primary Containment Pressure Chamber,Drywell Vacuum Breakers Coincident W/Loca.Caused by Inadequate Procedures Reviews.Procedures Revised	10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(ii)(A), Seriously Degraded
05000333/LER-1997-010, Forwards LER 97-010-00 Re Surveillance Testing of Pressure Suppression Chamber.No Commitments Contained in Rept	Forwards LER 97-010-00 Re Surveillance Testing of Pressure Suppression Chamber.No Commitments Contained in Rept	10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(ii)(A), Seriously Degraded
05000333/LER-1997-011, Forwards LER 97-011-00 Re Invalid ESF Actuation & Failure to Perform TS Required Acltions While Performing Troubleshooting Activities	Forwards LER 97-011-00 Re Invalid ESF Actuation & Failure to Perform TS Required Acltions While Performing Troubleshooting Activities	10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications
05000333/LER-1997-011-01, :on 971024,invalid ESF Actuation & Failure to Perform TS Required Actions Occurred While Performing Required Actions While Troubleshooting Activities.Restored HPCI Sys to Normal IAW Plant Procedures	on 971024,invalid ESF Actuation & Failure to Perform TS Required Actions Occurred While Performing Required Actions While Troubleshooting Activities.Restored HPCI Sys to Normal IAW Plant Procedures	10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(1)
05000333/LER-1997-012-01, :on 971214,drywell Personnel Airlock Outer Door Seals Local Leak Rate Test Was Not Properly Performed.Caused by Inattention to Detail on Part of Mechanic Who Installed Label.Removed Incorrect Label	on 971214,drywell Personnel Airlock Outer Door Seals Local Leak Rate Test Was Not Properly Performed.Caused by Inattention to Detail on Part of Mechanic Who Installed Label.Removed Incorrect Label	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(i)
05000333/LER-1997-012, :on 971214,drywall Personnel Airlock Outer Door Seals Local Leak Rate Test Was Not Properly Performed.Caused by Mechanic Installing Incorrect Label.Removed Incorrect Label & Installing Correct Label	on 971214,drywall Personnel Airlock Outer Door Seals Local Leak Rate Test Was Not Properly Performed.Caused by Mechanic Installing Incorrect Label.Removed Incorrect Label & Installing Correct Label	10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)
05000333/LER-1997-013, Forwards LER 97-013-00 Re High Pressure Coolant Injection Sys Which Was Declared Inoperable Due to Instrument Malfunction During Surveillance Testing.No Commitments Made	Forwards LER 97-013-00 Re High Pressure Coolant Injection Sys Which Was Declared Inoperable Due to Instrument Malfunction During Surveillance Testing.No Commitments Made	10 CFR 50.73(a)(2)
05000333/LER-1997-013-01, :on 971216,high Pressure Coolant Sys Was Declared Inoperable.Caused by Instrument Malfunction During Surveillance Testing.Completed Repair Activities to Correct Adjustments to Master Trip Unit	on 971216,high Pressure Coolant Sys Was Declared Inoperable.Caused by Instrument Malfunction During Surveillance Testing.Completed Repair Activities to Correct Adjustments to Master Trip Unit	10 CFR 50.73(a)(2)(v)(B), Loss of Safety Function - Remove Residual Heat 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)

Retrieved from "https://kanterella.com/w/index.php?title=05000333/LER-1997-001,_:on_970123,manual_Reactor_Scram_Occurred_Due_to_Fouling_of_Circulating_Water_Sys_Traveling_Screens.Caused_by_Potential_Loss_of_CWS_Intake_Water_Due_to_Restriction_of_Flow_Through_Three_CWS_Traveling_Screens.Procedures_Revised&oldid=5487431"