ML20086H702

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Telecopy AO 75-52:on 750708,core Spray Pump C Room Cooler Tripped When Operated in Run Mode.Cause Under Investigation. Thermal Overload Reset & Fan Operated Successfully. Corrective Action to Be Determined When Cause Identified
ML20086H702
Person / Time
Site: Peach Bottom Constellation icon.png
Issue date: 07/09/1975
From: Ullich W
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
AO-75-52, NUDOCS 8401200110
Download: ML20086H702 (1)


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/Pl!ILADELPHIA ELECTRIC COMPANY Peach Bottom Atomic Power Station i

Delta. Pennsylvania July [. 1975 tr. James P..O'Reilly, Director

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ffice of Inspection and Enforcement hg.uff)drC+fj
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"hited States Nuclear Regulatory Commission i31 Paik Avenue.-

k 19 06 ting of Prussia,. Pennoylvania

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.Abnor=n1 Occurrenc e 21.-!!our Hotification B.

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Fleischnernn?s phone convernation with !!r. Valt Duunack,.

.., n n yppa.i n g Ngion.!1,.' Urrited~ States = Nuclear Reguintory Commicsion on July 8 1975 8.ef eren ce : -

License Number DPRith

... - Technien1 Specification

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'!ccurren ce Date :._,,J uly _ 0,,_,1975 5'a ci 11 ty s Peach Lotton Atonie Power Gtation R.D.

1, Delta, Pennsylvania. 17314

..1 Ddentification of decurrence:

Unit 2

'C' core cpray pump room coolcr tripped when operated in "BUE" tode

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?onditions Prior to Occurrence:

at ' ayI rdillia':ieTf~49~ 95 povM.- ~~

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!'e scrip'ti6~n - o f 00~c c urr e n c e -

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.' ' l. Whi Ye. perf o rm i n g J.a u rve i llanc er!.t e s t.sST 6.6, thi~ operator found.. thai. th e..

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-"C"~ core spray pump room' cooler *(2DV-24)"trlfpped on thernal..cverload.

Designation or. Apparent Cause.of Occurrence:

Under investiga.t. ion.

hnalysis of Decurrences f

This incident has ninimal safety significance because the other room cooler (2CV-24) is ncrun11y lined up in the "RUN" mode and var found to operate caticfactorily.

The (2DV-24) room cooler is normally operated in the " AUTO" mode.

Corrective Action:

The thernal overload van reset and the fan was operated suceccafully several bg.ces; the corrective action vill be determined when the cause in identified.

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.#ailure Data:

i Nobe.

  • lery truly yours, dWDwt

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Ullrich, Superintendent

?each Bottom Atomic Power Station k

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