ML20009E662

LER 81-023/03L-0:on 810621,boric Acid Found Leaking from Instrument Isolation Valve CVC-11188.Caused by Leaking Diaphragm & Corroded Bonnet.Transfer Pump 1A Isolated & Bonnet Assembly Replaced

ML20009E662
Person / Time
Site:	Kewaunee
Issue date:	07/21/1981
From:	Lindberg P, Molzahn D WISCONSIN PUBLIC SERVICE CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20009E648	List: ML20009E647 ML20009E662
References
LER-81-023-03L, LER-81-23-3L, NUDOCS 8107280343
Download: ML20009E662 (1)

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74 7b REPORT DAT E l 11 60 68 DOCKET NUMBEH EVENT DATE EVENT DESCRIPTION AND PROBADLE CONSEQUENCES h

og2; l During steady state operation, an Auxiliary Operator reported boric acid leaking from l o ., l Instrument Isolation Valve CVC-11188. In order to repair the vdive, Boric Acid l lo l4 i [ Transfer Pump 1A was isolated. This action placed the facility under LCO T.S.3.2.c.2. l

o l3; g and is reportable per T.S. 6.92.b(2). This event had no safety significance as the l j

o o l the other BA Transfer Pump was operable. There was no effect on public health or l o 7 l safety. [

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i CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h 1 o l Af ter isol ting the BA Transfer Pump, Valve CVC - 11188 was inspected and found l l 1

The situation was remedied by l

i ; , j l to have a leaking diaphragra and a corroded bonnet.  ;

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,, , , y l installing a new bonnet assembly. B A Transfer Pump 1A was back in service within l T,S. time limits. No further corrective action is required. l I

7 i 4 8 9 L 8 80 s 5  %'oWER oTHE A STATUS Dis RY 98SCoVEHY eESCHl' Tion li l5l l l@ [0 ! 5 l 2 l@! No. l W@l Operator Observation l QCTIVITY CorTENT AMOUNT OF ACTIVITY LOCATION OF HELEASE nE LE AsE Mcj l Ej @o oP ritLEASEW@l NA _

l l NA l 10 44 4'i 83 J N 9 11 PERSONNEL EXPNURES NUM E A TYPE oESCRIPTION I i I 7 I I 01 01 Ol@LZj@l NA l PenSoNNt t iN;u'dits NUMPEft DESCRIPTION l

7 i a 3 9 lo I 01 Ol@l 12NA 11 30 LOSS oF oH DAMAGE To FACILITY TVPE DESCRIPTION j.

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