05000338/LER-1979-004-03, /03L-0 on 790108:during 1-PT-36-1(A) Found That Steam Generator 3 Hi Hi Level Test Panel Was Faulty, Preventing Test of This Channel.Caused by Faulty Universal Logic Card on Test Panel

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/03L-0 on 790108:during 1-PT-36-1(A) Found That Steam Generator 3 Hi Hi Level Test Panel Was Faulty, Preventing Test of This Channel.Caused by Faulty Universal Logic Card on Test Panel
ML19270F364
Person / Time
Site: North Anna Dominion icon.png
Issue date: 02/01/1979
From: Cartwright W
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19270F358 List:
References
LER-79-004-03L, LER-79-4-3L, NUDOCS 7902060309
Download: ML19270F364 (2)
v • d • e


LER-1979-004, /03L-0 on 790108:during 1-PT-36-1(A) Found That Steam Generator 3 Hi Hi Level Test Panel Was Faulty, Preventing Test of This Channel.Caused by Faulty Universal Logic Card on Test Panel
Event date:
Report date:
3381979004R03 - NRC Website
v • d • e

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Page 1 of 1 DocLe L I;o. S'h 3 33 ik pori I;r,. I i it /9-001/(M -0 Desci ipt mo 't Fvent:

On 01-03-79, during thc per nonce of periodic t t.t 1-Pf-36.l(A),it v;as di' over d that SSP 5 Stem Com.>ra tor 3 Hi Hi 1 evcl te st en thu S$PS t "<, t panel i;:s faulty which pr evented Ltsting of this channel.

This is, contracy to T.S. 3.3.2.1.

Action Stat <

, L ':13 s.as enterud and ihe channel rer.Lored to opere il ity w i t h i n t he 2 hou r t i..., all o'.rmco.

This event is report ble as pcc T..S.

6.9.1.9.b.

Pro!nblo Connerpence of Oce"rrence

~lhe 55PS Siena Genara tor Hi lli Level T e r. F in part of th: Engin.

ed Safet.y f ea t ure In',t ro..c:nta t ion Sys teni.

The operabil of thi systen it. regired ii test the op robility of the various ESF f unci Af ter lis faul ty cm d was replaced, th' test <hn.;d that the ESF chanm

> op' rah'" and cepable of providin:I the n te sary protection.

Thc t ' Um c; effect upon the sa fo oc:ro-tion of the plant and as a rcsult, the p,Slic health and safety u,; not endang r.ed.

C a u r. " o.f. O c c.u r r e.n.: o-The causo of the event was a faulty liniversal Logic card in the SSPS test cabinet.

I_L_.d i a.t e Co r re_c t i w A c t i o n.:

Th faulty logic card was replaced and the periodic test v;as !.;rfore. d S.c he du l e,I Co.r._r.e.c t._i v e Ac.t_i_o.n :

I;o 1urther corrective action was required.

Actions Taken to Prevent Recurrences:

il0 further corrective ection was required.

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