ML19340B559

Revised LER 80-005/03X-1:on 800123,reactor Coolant Leakage Calculation Indicated Approx 3.6 Gpm Unidentified Leakage, Exceeding Tech Spec 3.4.6.2.b.Caused by Leaking Packing on Pressurizer Spray Valves 2CV-4651 & 2CV-4652

ML19340B559
Person / Time
Site:	Arkansas Nuclear
Issue date:	11/07/1980
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19340B556	List: ML19340B552 ML19340B559
References
LER-80-005-03X, LER-80-5-3X, NUDOCS 8011110287
Download: ML19340B559 (1)

Text

o,e REVISED REPORT - PREVIOUS REPORT DATE 2/15/80 y ,a l

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

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EVENT DESCRIPTION A'.D F A09 A3LE CONSEQUENCES h ic12i ;Durinq steady state Mode 1 operation, the Reactor Coolant leakage cal- i it ia l tculation indicated approximately 3.6 GPM unidentified leakage exceeding I w .J ! that allowed bg T.S. 3.4.6.2.b. A containment building entry was made andt Ic 151 !it was verified that no pressure boundary leakage existed. The ma.iority 1 1: le I lof the calculated leakage was identified as that defined by T.S.1.14.a i I !>}!(leakage into closed systems). There have been no similar occurrences. 1 i pi1 Reportable oer T.S. 6.9.1.9.b. I

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C AUSE OESCR 8' TIC % A*.D ;O A'3EC flVE ACT60NS h 1;i Packing on Pressurizer Spray Valves, 2CV-4651 and 2CV-4652, were found to i i i,j #e leakiyg excessively. Leakage from packing was routed through leak-off i is i i ilines to the containment building sump. Minor leakage was identified at i i,i3, ithe Reactor Coolant Pump "C" seal. Valves were repacked and RCP seal was i i i.i ireplaced durina outage #80-01. i

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