ML20127B737

Ro:On 750525 Core Spray Sys Motor Operated Valve Failed to Reopen by Means of Motorized Operator.Valve Was Returned to Normal Open Position by Local Handwheel

ML20127B737
Person / Time
Site:	Monticello
Issue date:	05/27/1975
From:	Larson C NORTHERN STATES POWER CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 9102130477
Download: ML20127B737 (1)

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M.:0$ R T- H .E' R N- 3 T A.*r E.S P:O-W! E R- C' O r M P ' A NY' ,

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' MontLeello.Ntaclear Generating Piknt .

Hanticello,a Minnesota 55362- 9 ' /-

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Nar 27..1975- .

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Mre J. G; Kappler, Director R b P;i m 11 1I ..

Office of Inspectio:n. and' Pnfore*=mt .

Itaited States N'x. lear. Regulatory Comission 799 Roosevelt'Re d -

Giert.Ellym. Ulinois 60137e i

E Deer,Mr..Keppler:e ,

MONTICELID NIX 1FAR C4WRATING ILWT Docket No. 50-263 License No. . IIPR-22 s On.Miy 26;,.1975, while performing a surveillhnte test of our. Core Suray System, Motor-Operated Valve FD 1751 failed 1 to reopen by neans of the-nuotori m l: operator. This valve was returned /to,it's noren11yc cpen position,by rm:ans of the, local handwheel. The cause of thik occurrence is being.investigatoda Yours vorn 21y; tA4G @  ;

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