ML19284A435

LER 79-016/03L-0 on 790130:during Power Escalation Testing, Mode 1 Operation,Safety Injection Tank D Pressure Dropped Below Tech Spec Limit.Caused by Excessive Leakage Due to Oversized Valve Body.Seal Ring Replaced W/Oversized Ring

ML19284A435
Person / Time
Site:	Arkansas Nuclear
Issue date:	03/01/1979
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19284A431	List: ML19284A430 ML19284A435
References
LER-79-016-03L, LER-79-16-3L, NUDOCS 7903060408
Download: ML19284A435 (1)

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NRC FORM 366 U. S. NUCLE AR REGUL ATORY COMMISSION (7 77)

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g , i Tank "D" pressure dropped below the required minimum of 600 psig, per io[4l[ T.S.3.5.1. No similar occurrences. Reportable per T.S.6.9.1.9(b). g lo isl I i FTTI L 1 o i L l.

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,,,,,, 2SI-13D. Action was taken immediately to restore pressure to within gg i limits meeting requirements of Action Statement T.S.3.5.l(a) . Subsequent, g,,3, l outage maintenance revealed oversized valve body. Seal ring was replaced m I with oversi::ed ring. I i e s en SY u NPOWER OTHEHSTATUS DISC v Hy LaCO'. E HY DE SCHiP fiON I' I s l lBj@ Ol lj9l@lPwrEscTest l (_Ajhl NA l A TiVtiv CONTENT

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