ML19296B359

LER 80-005/03L-0:on 800123,during Steady State Mode 1 Operation,Reactor Coolant Leakage Calculation Indicated Approx 3.6 Gpm Unidentified Leakage.Caused by Packing on Pressurized Spray Valves Leaking Excessively

ML19296B359
Person / Time
Site:	Arkansas Nuclear
Issue date:	02/15/1980
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19296B355	List: ML19296B354 ML19296B356 ML19296B357 ML19296B359 ML19296B362
References
LER-80-005-03L, LER-80-5-3L, NUDOCS 8002200458
Download: ML19296B359 (1)

Text

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syPoHTDaTE 7 8 60 61 DOCK ET hum 8Ep E Vf NT D.TE EVENT DESCRIPTION AND PROB ADLE CONSEQUENCES h oi2 IDuring steady state Mode 1 ooeration. the Reactor Coolant Leakaae calcu- I o llation indicated anoroximately '4 6 GPM unidentifiod leakage exronding that o 4 pilowed by T.S.3.4.6.2.b. A containment building entry was made and it i o s was verified that no pressure boundary leakage existed. The maiority of I t o is 1 Ithe calculated leakaae was identified as that defined by T.S.l .14.a. No I lolilIsimilar occurrences. Renortable nor T-S_6_9.l_9_b. I o a i I

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47 43 C AUSE DESCR.PTION AND CORREC flVE ACTIONS li io l Packing on Pressurizer Soray valves. 2CV-4651 and 2CV-4652. were found to i li t i 1 hp leaking oxenssively. Ioakago frnm narking was ennted thrnngh laak-off I

, 2 Ilines to the Containment Buildina sump. Minor leakage was identified at i 1 i s i Reactor Coolant Pumo "C" seal . Maintenance will be performed on leak I m Isources during February outage. I

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