ML20058K770
| ML20058K770 | |
| Person / Time | |
|---|---|
| Site: | Monticello |
| Issue date: | 05/01/1974 |
| From: | Larson C NORTHERN STATES POWER CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| NUDOCS 9102140377 | |
| Download: ML20058K770 (1) | |
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Manticello, Mimesota 55362 M 1,1974 Mr. J. G. Kappler, Regional Dinctor RLeectorate of Regulatory Operatims magiert III 799 Roosevelt Road Glen Ellyn, Illinois 61073
Dear Mr. Keppler:
MNTICELID MKIEAR GENERATING PLAhT Docket No. 50-263 License No. DPR-22 h=*ive L*=hge Through HPCI-9 Os April 30, 1974, the outboaxtl isolation valve ort the HPCI turbine exhaust.
EWCI-9, which is a swing check, was found to have leakage of uuptwdriately 65.6 SC1H which is in excess of that allowed by the Technical Specifications.
An investigatiori into the cause of the excess Icakage is being corshacted.
l Yours very t g
C. H. La F1arrt Manager CEL/sman cc:
J F O' Leary, Directorate of Licensing G Charnoff Mimesota Pollutiart Contml Agency Atta:
E A Pryzina File 4
CLanies sent by telecopier to reppler and O' Leary l
9102140377 740501 CF ADOCK 05000263 CF l
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