ML20002A768

LER 80-036/03L-0:on 801003,valve RW-AO-95 Would Not Close within Time Limit.Caused by Miller-64A One Piston Air Operator,Which Is Valve Operator on Discharge Valve,Not Closing.Valve Tested Satisfactorily for Last Four Wks

ML20002A768
Person / Time
Site:	Cooper
Issue date:	10/31/1980
From:	Scheer J NEBRASKA PUBLIC POWER DISTRICT
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20002A767	List: ML20002A766 ML20002A768
References
LER-80-036-03L, LER-80-36-3L, NUDOCS 8011210499
Download: ML20002A768 (1)

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>"'3 *F O R M'366 U. S. NUCLE A17.EGULATOIY COMMISSION I h V LICENSEE EVENT REPORT CONTROL BLOCK' l l l l l l l (PLEASE PRINT OR TYPE ALL REQUIREo (NFORMATIONI ITTT] l Nl LaCENSEE El ClCODE Pl RI 1l@l 01 d -l 0LacENSE 14 15 l 0 l NUMBER 0l Ol -l 0l Ol Ol@l 25 26 4 lLICENSE 1 l 1lTYPE Il J0 ll@l57 LATl 58 l@

7 8 9 CON'T IOI11 $$ "CE l Lj@l0 l 5 l 0 l 0 l 0 l 2j_9l 8l@l il 01 Ol 18 l 074l@l75 11 REPORT Ol 3lDATE11 8l Ol@80 7 6 60 61 DOCK ET NUuS ER 68 69 EVENT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h 10121 [During normal operation whP e performing S.P. 6.3.1.4, RW-AO-95 would not close l I O l a i Iwithin T.S. time limit. RW-AO-95 is recuired to close in _< 15 seconds per RTS I o 4 13.7.D.1, Table 3.7.1. The valve was closed manually and no significant occurrence i IoIs1 Itook place. RW-AO-94 was tagged closed per Tech. Spec. 3.7.D.2. There were no ad- I 1016 I lverse nffects to nublic han11-h pnd unf 7, l

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l i l o I lA M111er-64A one piston air operator which is the valve operator on a discharge I i i Ivalve from drvwell ecuinment hn "C" would not close. The vMve han been tested I i 2 tweekly for the last four weeks and has operated properly. To prevent further occur- 1 y jrences, the valve cycle fTequency has been increased from quarterly to monthly. I I

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l0 'l 9 l 5 l@!o 32 NA 44 I I4sBl@las operator Observation 80 l

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RELE ASED OF RELE ASE AMOUNT OF ACTIVITV LOCATION OF RELEASE l

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PER$0NNEL f APOSURES NuY8 t R TYPE DESCRIPTION 1 Til 101010 l@lz_j@l u l

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f M ') 10 ti8 69 80 5 Jerry L. Scheer 402-825-3811 NAVE OF PREPARER PHONE: {

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