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Advises That on 750114,while Performing Local Leak Rate Test on RCIC Sys Isolation Valve RCIC-9,leak Found in Excess of Acceptable Tech Spec Criteria.Investigation Will Be Conducted Prior to Returning to Power Operation
	ML20058K646
Person / Time
Site:	Monticello
Issue date:	01/14/1975
From:	Larson C; NORTHERN STATES POWER CO.
To:	James Keppler; NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
	NUDOCS 9102130411
	Download: ML20058K646 (1)
	v • d • e

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Dear Mr. Knpp!.:

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Da Jwiuary 14, 2975, stile perfr minn v 3 :; n'J 1eak rate test on the Scactor Qu e J!:,ojatica D.wling

.s t c % isolat ion Valve, Pl.: lC-9,,; T:as fattid t o b: ]cak.in?. ju exec 55 01 t ha Ocecpt Ob)c ( rit t ric for lof ti leak tests rpecifiul in Sectim 4.7.A.2.f of the Technical :pa:3 fi

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an investination into the cause of the excer,s Joakage v>D be ten-lunted prior to a ctuimnt; to pc.r.,e2 cperation.

Yours very rI/ y.

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