ML20084K118

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Ao:On 740931,250-volt Battery Discharged.Caused by Breaker to Battery Charger Tripping.Further Info Will Be Provided in AO 50-265/74-22 within 10 Days
ML20084K118
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 09/01/1974
From: Kalivianakis N
COMMONWEALTH EDISON CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084K113 List:
References
NJK-72-254, NUDOCS 8305190155
Download: ML20084K118 (2)


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PtratOmca Baxeii!184~

Cordovat lillnals 85242 Te6ephone309/0542244 :

N2K+74-254;.

Telenopyr.

Regior llIl Att'entlowr uMr C& -Fei'erabend-Sepbennber 1,. 19744 J. Keppler,- RegionEl' Directorr Directorate. of Regulatomgr-Operations Regi~on Il*I U; S;.- Atosaic" Energy:Commissiow.

79F' Roosevelt" Romd:

Glen _E,Ilyr#.. T.llihmis-69137 i

Reference 3.

Quad. Cities: Nuclear - Power. Statibnv. Unit" 2~

Decket-Noe.50"265, DPRr30 -

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Appendix:Aa. Sectione: 1.0;A.2, 3.9M5;.. 6#6a;. l.a,.

Dear - Mr.. Keppter e -

The: purpose ofi this letterr isi: to provide yotr:with_.nabification.of aq Abnormel Occurerence as-required-by-Technical-Specificatiorr.Gs6..Bal.C within.t24 houre of' the occurrence.

(see attadtted page-for 250V'Dc Battery-ocirurrence)-

Thie ; occurrenee was-disensued c.by : telephone-withi.Mr..Feiersbend.

of your offica on. September 1e 1974-.

Further. inforunation will be -

psovidedsby-Ahnoruml-Occurreneer Report AG.r50i-265/74-23 which.w11L b4 subeltted<within losdays. ofs the; date. os this: occurrence l

l Very"truly yours,.

I COttMOMMBALTWE EDISON!COftPANY.."

QURO* CITIES::NUC R... POWER.: STATIOtt.

NC 1._.Kalivianelcis-Statior. Superittbendent.

NJK/IPG/1~p; cc z. - Direchorate of Licensincy~

J..S'e Abel 8305190155 740910 PDR ADOCK 05000265 9

373 y S

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i 02 August: 324...1974s..at 11:rledyno; ths Unit' 252 SOW 1Mettery,-was:

fcundt tomber-discharged C...

Re. viewing.-the circustatanees".surroundiruycthis: oscurrensa fream the computer-Ieg+..and tb4 personnat'involvedi it. was: determinedi.

thht, the hkeaker"frana the. bbttery" charger; tcrather bettery-hade trippeddat-2r01 an orr_ August.: 31..

Tite-breaker.- resmainedi.opene.until'.' tG tisme-then battery.wre-diiirempereditoebe: dischargedi.at. Irelon'pstr.... At.

thkt. tiinez the boemker. was. reelosed.Gand-thh. battery.~ rechargods..

It wae; determinedifross-thirc compmEerr-data, lograthat tha-betteryme-disohkrgedt ber-cause after" that-turbine.tripw..tha reai~ntTurbihs-Emerganay-Beari' g4061~ Pump: canne" om.and.istayed ;"ow fow 1& hts - and-n 27, mihuteer and: the -Emergency" Hydrogest". seal"O1E Pamprrarn fon 37/-

hear and53 nainutes..

14tilec the: betteryyas-discharged, the:-Dalt? 2 HPCI: system andJtha-Unit-E RCIC7syntaur were insperables.

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