ML19211A255

Updated LER 79-012/03X-1:on 790810,leak Rate Testing of Reactor Bldg Purge Valves at Penetration V-1 Indicated Leak Rate in Excess of Tech Spec Limits.Caused by Maladjusted Valve Seat Shims.Leak Rate Test Performed

ML19211A255
Person / Time
Site:	Arkansas Nuclear
Issue date:	12/06/1979
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19211A250	List: ML19211A249 ML19211A252 ML19211A255
References
LER-79-012-03X, LER-79-12-3X, NUDOCS 7912170269
Download: ML19211A255 (1)

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UPDATE REPORT Previous Report Date 8/31/79 NRC FORM 3E6 U. 5. NUCLE AR REGUL ATORY COMMISSION (7 77)

LICENSEE EVENT REPORT EXHIBIT A CONTRC,L BLOCK: l l l (PLEASE PRINT OR TYPE ALL REQU, RED INFORMATIONI 6

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7 8 60 68 DOCKET NuMBEm t=8 69 EVENT DATE la 76 HFPOMT DATE 80 EVENT DESCRIPTION AND PROBAOLE CONSEQUENCES h ITT'il I wi th ehn u,ie in n enla % eanun enndicinn. T enk Race Testing of the i O 2 I Reactor Building Purge valves at penetration V-1 indicated a leak rate i LO_l*J l in excess of 50.000 cc/ minute exceedine that allowed per T.S.4.4.1.2.3. I n s 1 The excessive leakane was determined to be due to the outside isolation  !

ITTs 1 I vnive. ev-7407. The in=4 c n icn12einn un1ua i ev-7AnA- coce voc,,1e= wov, I IOI'II within accentable limits. This occurrence is similar to LER's 50-313/ I o u l 7Q_nn9 A 7 7 n. _1_9 D nn, nv e c k_1 n now 7-. T_ . C .

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