ML19351F583

LER 80-113/03L-0:on 801211,primary Containment Atmospheric Control Inerting Inlet Isolation Valve 2-CAC-V48 Had Dual Open/Close Position Indication.Cause Unknown.Suppl Rept to Be Issued Following Investigation

ML19351F583
Person / Time
Site:	Brunswick
Issue date:	01/09/1981
From:	Pastva M CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19351F579	List: ML19351F578 ML19351F583
References
LER-80-113-03L, LER-80-113-3L, NUDOCS 8101130540
Download: ML19351F583 (1)

Text

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stRC FORM 364 i (7 77)

.- LICENSEE EVENT REPORT (PLEASE PRINT CR TYPE ALL KEEUIRED INFCCMATitN)

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7 8 60 61 ooCKET NUMSER 64 69 EVENT oATE EVENT DESCRIPTION AND PRO 8A8LE CONSEQUENCES h f5Til I During normal surveillance it was discovered that primary containment atmospheric con-1 (575] l trol inerting inlet isolation valve, 2-CAC-V48, model no. 7301518, had dual open-closel o 4 l position indication. The valve was then shut and disarmed to ensure the closed posi- I l

g l tion and vas declared inoperable as required by technical specifications.

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o ;8, l Technical Specifications 3.o.3, 6.9.1.9b l C DE Cc $ sc E COMPONENT Coof SUSCodE SU E g l Sl El@ g@ g@ l Vl Al Ll Vl Ej Xl@ ]@ y @

9 IO 12 13 18 19 20 7 8 It REVISloN SEoVENTIAL oCCU4RENCE REPORT .

REPORT No. CooE TYPE No.

(g Rf Ro O179 reg EVENT YE AR

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_ l21 8l22 0l 23 24 26 27 28 29 30 31 32 hours3.703704e-4 days <br />0.00889 hours <br />5.291005e-5 weeks <br />1.2176e-5 months <br /> 22 $U ITT FoR S. SU L MAN F C RER KN AC o PLA T M l33X g l34X [g lJSZlg W@ [0 l0 l0 l0 l 37 40 lN 41 l@ y g 42 l3Nl@ lX l919 l947l@

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-- 35 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h LLl.o_]IPresent operational conditions orevent an 4mmadiate investicration and determination of f The valve han been pl acerf en11v and nnau l

@ l the dual indication eroblem with the valve.

E lmatically deactivated to prevent strokine it until the olant is in an ooerationni model Q l that allows a full investination and fix of the eroblem. at which time a suoclemental I I

E I report on this event will be issued. e0 7 8 9

% power oTHER STATUS 15 RY oISCoVERY oESCRIPTICN

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i a 8 9 10l0l01@l 11 12 80 LOSS oF om oAv AGE To FACILtTV TYPE otsCRipiloN x^ l

' a LzJ@lto SO F 8 9 NA 1 l1lllllllll1lI 2 o ISSUEl @of CRIPTioN 68 69 80 3 7 8 9 to

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