ML20127B737

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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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P:O-W! E R-C' O r M P ' A NY' M.:0$ R T-H.E' R N-3 T A.*r E.S 4

' MontLeello.Ntaclear Generating Piknt Hanticello,a Minnesota 55362-9

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Nar 27..1975-J.

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

Deer,Mr..Keppler:e 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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