ML19340C130

LER 80-075/03L-0:on 801007,A Safety Injection Tank Pressure Found to Be Less than 600 Psia Per Tech Spec 3.5.1.d.Caused by Vol Loss Due to Sampling W/O Capability of Remote Repressurization Due to Inoperable Control Valve

ML19340C130
Person / Time
Site:	Arkansas Nuclear
Issue date:	11/05/1980
From:	Pendergraft R ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19340C126	List: ML19340C125 ML19340C130
References
LER-80-075-03L, LER-80-75-3L, NUDOCS 8011140033
Download: ML19340C130 (1)

Text

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NRC FORM W U 5 NUCLE AR P(GUL ATORY COMMtSSION (7 77)

LICENSEE EVENT REPORT EXHIBIT A CONTROL BLOCC l l l l l l lh (PLE ASE PRINT OR TYPE ALL REOutR(D 10FORMATIONI l g l,o li. l.1 AlR l A l Nl 0 l 2 lgl 0 l0 l - u10 oc. s.. coo, i. si l 0 ml 0l n ..~v n Oj 0 l- ln 0 j0 lg4 is u u l1 l 1u l1 l 1u lgl u i,,.

cAs s g CCYT IoIii  %'j"' [Lj@l0 l 5 f) 10 l 0 l3 l6 I8 l@l11010 6*l W8 l 7'810 )@l11 1l0 iVENT DATE '4 75 l 5181080l@

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. EVENT DESCRIPflON AND PROBA3LE CONSEQUENCES to n,,2! During Mode 1 operation, the "A Safety Injection Tank (SIT) pressure  ;

t o ia l twas found to b3 les1th_an 600 osia (597 osia) per Tech. Spec. 3.5.1.d. I g o i. j i SIT's "B", "C", and "D" were verified to have the proper level and pres- i i n i s j isure per T.S. 3.5.1. This occurrence is similar to LER 50-368/79-016. i o s IReportable per Tech. Spec. 6.9.1.9.b. I lo l'} l  !

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Jh 44 3% 3b bb SQ $1 ej e3 as eg CAUSE OESCR.PTION AND CORRECilVE ACTIONS h liio i i The low pressure was attributed to a volume loss due to sampling without t i i i the capability of remote repressurization due to an inoperable control i LulJ l valve (2CV-5005). The N3 overoressure was restored by manually openina i iiiii i the N2 supolv valve from inside the containment. The "A" SIT was returned t ii. i i to operable status meeting requirements.of T.S. 3.5.1 Action a. ,

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