ML19341A208

LER 80-114/03L-0:on 801215,during Shift Channel Check of Refueling Water Storage Tank,Channel C Level Indicator Found Reading High.Caused by Transmitter Zero Drift. Transmitter Recalibr & Returned to Svc

ML19341A208
Person / Time
Site:	Beaver Valley
Issue date:	01/14/1981
From:	Lacey W DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19341A205	List: ML19341A204 ML19341A207 ML19341A208 ML19341A213
References
LER-80-114-03L, LER-80-114-3L, NUDOCS 8101220387
Download: ML19341A208 (2)

Text

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• mm LICENSEE EVENT REPORT CoNTROt. eLOCic: l l l l l l l PLEASE PRist OR TYPE Att.REQUIREO INFORMATIONI

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l1 l@l 7 e COOE is CON'T 1**y" Ql 0 l 510 l 0 l 0 l 3 l 3 l 4 )@l 1 l 2 l 1 ] 5 l 8 l 0 @l 0 l 1 l 1 l 4 l 81 1 l@

%8 EVENT 40 el DOCKET NVueER DESCRtPTION ANO PROe AOLE CONSEQUENCES h nd 69 EN ENT DATE 34 PS REPORT DATE 80 l

Q l At 0730 hours0.00845 days <br />0.203 hours <br />0.00121 weeks <br />2.77765e-4 months <br /> during the scheduled shif t channel check of the Refueling Water

[ l g l Storane Tank (RWST) Icvel indicators, the channel C level indicator was found l It was declared inoperable and power operation continued in l l

@ lreadine high. <

The health and s,1fety of the ]

@ l ace'ordance with Technical Specification 3.3.2.1.

@ l public was not icopardized. Three operable channels remained for the 2/4 RWST low l

for the l

@ l icvel locic sinna1. which provides for automatic switchover to containment I

IOleI I recirculation mode of safety iniection. so COMP. VALVE 1 svs7Enf CAUSE CAUSE SUSCOOE f

$U8 CODE COMPONENT CODE SueCODE CODE CODE

@ IS lF l@ dh Wh II lNlSlT(R.lUlh C h y h 9 10 13 12 13 ts 39 20 REVISION l

7 8 OCCURRENCE REPORT SEQUENTIAL NO.

CODE TYPE LE RiRo O" ,a g a; EVENT YEAR l810l [ .-j REPORT NO.

l 11 1l 4l 26 y

27 l0 l3 l 28 29 y

30 l)31 W

32 25 22 2J 24 FOR S. SUP L E MAN F G RER ACT P r ME HOURS 22 59 i LEJ@l u u zi@ Lz_l@

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< <r CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS @  ; ,

a O l The cause for the hich level indication was due to channel C level transmitter zero I

@ l drift. The transmitter was recalibrated and the channel returned to service et

[

No future action is planned.

g i 1420 hours0.0164 days <br />0.394 hours <br />0.00235 weeks <br />5.4031e-4 months <br />.

I Lu 1.1 I l

El s T s oo OTHERSTATUS Di$ O Y DISCOVERv CESCRIPTION

'5TA  % POWER l l

@ W h l0l9l9l@l N/A l lBl@lSurveillancelon AbvtTV CO TENT LOCATION Os RELEASE h  !

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%wSE R TYPE CESCRIPTION l

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NeueER DESCRtPTtosh l N/A 7

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N/A l ll1Iil1illIi15 o ass [tEl @DE

[. 64 69 80 5 i e e io

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. . cey PHONE-NAME OF PREPAREH 810.1220337 l

Attachment To I.ER 80-114/03L Beaver Valley Power Station l Duquesne Light Company Docket No. 50-334  :

I No further information is available or needed to satisfy the reporting requirement. .

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