Inoperable Pressure Switch During Mode Change Results in Operation or Condition Prohibited by Technical Specifications
Person / Time
ML24366A126
Site:	Cooper
Issue date:	12/31/2024
From:	Dia K Nebraska Public Power District (NPPD)
To:	Office of Nuclear Reactor Regulation, Document Control Desk
References
NLS2024075 LER 2024-007-00
Download: ML24366A126 (1)
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LER-2024-007, Inoperable Pressure Switch During Mode Change Results in Operation or Condition Prohibited by Technical Specifications

Event date:
Report date:
2982024007R00 - NRC Website
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Licensee Event Report

Cooper

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		Reporting criterion
05000298/LER-2024-001, Inoperable Turbine Stop Valve Limit Switch Causes Condition Prohibited by Technical Specifications	Inoperable Turbine Stop Valve Limit Switch Causes Condition Prohibited by Technical Specifications	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications
05000298/LER-2024-002, Technical Specifications Prohibited Condition for Inoperable Service Water Booster Pump	Technical Specifications Prohibited Condition for Inoperable Service Water Booster Pump
05000298/LER-2024-003, High Pressure Coolant Injection Steam Leak Causes Condition That Could Have Prevented Fulfillment of a Safety Function and a Condition Prohibited by Technical Specifications	High Pressure Coolant Injection Steam Leak Causes Condition That Could Have Prevented Fulfillment of a Safety Function and a Condition Prohibited by Technical Specifications	10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications
05000298/LER-2024-003-01, High Pressure Coolant Injection Steam Leak Causes Condition That Could Have Prevented Fulfillment of a Safety Function and a Condition Prohibited by Technical Specifications	High Pressure Coolant Injection Steam Leak Causes Condition That Could Have Prevented Fulfillment of a Safety Function and a Condition Prohibited by Technical Specifications	10 CFR 50.73(a)(2)(v), Loss of Safety Function
05000298/LER-2024-004, Main Turbine Stop Valve Position Switches Do Not Meet Channel Independence Criteria Results in Two Channels Being Declared Inoperable and a Condition Prohibited by Technical Specifications	Main Turbine Stop Valve Position Switches Do Not Meet Channel Independence Criteria Results in Two Channels Being Declared Inoperable and a Condition Prohibited by Technical Specifications	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications
05000298/LER-2024-005, High Pressure Coolant Injection Pressure Switch Installation Causes Condition That Could Have Prevented Fulfillment of a Safety Function and a Condition Prohibited B Technical	High Pressure Coolant Injection Pressure Switch Installation Causes Condition That Could Have Prevented Fulfillment of a Safety Function and a Condition Prohibited B Technical.
05000298/LER-2024-006, Human Performance Errors Cause a Condition Prohibited by Technical Specifications and Common Cause Inoperability of Independent Reactor Protection System Channels	Human Performance Errors Cause a Condition Prohibited by Technical Specifications and Common Cause Inoperability of Independent Reactor Protection System Channels	10 CFR 50.73(a)(2)(vii), Common Cause Inoperability
05000298/LER-2024-007, Inoperable Pressure Switch During Mode Change Results in Operation or Condition Prohibited by Technical Specifications	Inoperable Pressure Switch During Mode Change Results in Operation or Condition Prohibited by Technical Specifications

05000298/LER-2024-007, Inoperable Pressure Switch During Mode Change Results in Operation or Condition Prohibited by Technical Specifications

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