ML20058L160
| ML20058L160 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 04/11/1974 |
| From: | Larson C NORTHERN STATES POWER CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| NUDOCS 9105080335 | |
| Download: ML20058L160 (1) | |
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v NORTHERN STATES POWER COMPANY Nanticello, Minnesota 5536Z
.r April 11, 1974
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Region III linited States Atomic Energy crammission
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Glen Ellyn, Illinois 61073
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Dear Mr. Keppler:
)OhTIrrun N) CLEAR GENERATI?E PIAhT Docket No. 50-263 License No. DPR-22 Brokm Stm on RHR Service Water Control Valve,CV-1728 On April 10, 1974, an inspection of the M R Service Water control valve, CV-1728, revealed that the valve sts was bmken. The nature of the failure and design of the valve am such that the valve was still able to perform its fimction of controlling differential pressure between the RHR ard RHR Service Water, t
An investigation into the cause of this occurrence is conti.~ ing.
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Yours very y,
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-Plantlianager
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?.i$74 GL/EM Q \\?%
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,r E-cc: J F O' Leary, Directorate of Licensing U
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Minnesota Pollution Control Agency Attn: E A Pryzina Il i
e File Copies sant'by telecopier to Keppler and O' Leary
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9105080335 740411 CF ADOCK 05000263
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