The High Pressure Coolant Injection (HPCI)
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| | Site | Start date | Title | Description |
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| IR 05000220/2023004 | Nine Mile Point | 1 February 2024 | Integrated Inspection Report 05000220/2023004 and 05000410/2023004 | | | ENS 56938 | Grand Gulf | 29 January 2024 16:05:00 | High Pressure Core Spray Failure | The following information was provided by the licensee via email:
At 1005 CST on January 29, 2024, Grand Gulf Nuclear Station was conducting surveillance testing on the high pressure core spray system. During testing, the 1E22F012 minimum flow valve failed to return to the full closed position. The valve went from full open indication to dual indication.
The event is being reported in accordance with 10 CFR 50.72(b)(3)(v)(D) as an event or condition which could have prevented the fulfillment of a safety function.
Troubleshooting is in progress.
The NRC Senior Resident has been notified.
The following additional information was obtained from the licensee in accordance with Headquarters Operations Officers Report Guidance:
All off-site power is available. No other systems are out of service and there are no compensatory measures taken. There is no increase to plant risk. | | NMP1L3569, CFR 50.46 Annual Report | Nine Mile Point | 26 January 2024 | CFR 50.46 Annual Report | | | IR 05000373/2023012 | LaSalle | 18 January 2024 | County Station - Biennial Problem Identification and Resolution Inspection Report 05000373/2023012 and 05000374/2023012 | | | ML23321A125 | Technical Specifications Task Force | 18 December 2023 | Draft Traveler SE of TSTF-592 Revise Automatic Depressurization System (ADS) Instrumentation Requirements | | | U-604788, Fourth Ten-Year Interval Inservice Testing Program Plan Revision 3 | Clinton | 12 December 2023 | Fourth Ten-Year Interval Inservice Testing Program Plan Revision 3 | | | ML23288A000 | Columbia | 7 December 2023 | Issuance of Amendment No. 272 to Adopt TSTF-541, Revision 2, Add Exceptions to Surveillance Requirements for Valves and Dampers Locked in the Actuated Position | | | IR 05000440/2023011 | Perry | 28 November 2023 | Biennial Problem Identification and Resolution Inspection Report 05000440/2023011 | | | IR 05000397/2023012 | Columbia | 20 November 2023 | Commercial Grade Dedication Inspection Report 05000397/2023012 | | | ML23310A032 | River Bend | 13 November 2023 | Integrated Inspection Report 05000458/2023003 | |
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