ML19344F440

From kanterella
Jump to navigation Jump to search
LER 80-065/03L-0:on 800812,while Performing Surveillance Testing on Containment Spray & Sump Valves,Containment Sump Recirculation Valve Failed.Caused by Valve Operator Overload Breaker Tripping Due to Foreign Matl in Switch Contacts
ML19344F440
Person / Time
Site: Arkansas Nuclear Entergy icon.png
Issue date: 09/09/1980
From: Pendergraft R
ARKANSAS POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19344F439 List:
References
LER-80-065-03L, LER-80-65-3L, NUDOCS 8009150275
Download: ML19344F440 (1)


Text

_

F d-Ah l.a e

. NRC FORM 364 U. S. NUCLE AR REGUL ATORY COMMIS$40N (7 77)

LICENSEE EVENT REPORT EXHIBIT A CONTROL 8 LOCI (;II. I I I I

.I (PLEASE PRINT OR TYPE ALL REOUiRED 6NFORMATION)

Io ITl l AlR l A l Nl 0 l plgl 010 l - 10 l 0 l 0l 0j 0 l- l n0 l0a lggt.ci l1 ~,l 1i ml1so ] 1 lgl l gg

> .. t.ca s.. coo. i. u uci~st ~-. a u cat w CON'T L o i "l,'!M LL_J@l015 p- 1010131618 )@l 018 l 112 I 810 l@l 019uppont s I 019 I 810.ol@

I . ,

60 61 DOCgETNUw.gm to 69 twtNT DAfg 7. 75 .

oaf t EVENT DESCRIPTION AND PROSADLE CCNSEQUENCES h o 2 1 During Mode 1 coeration while oerformina surveillance testino on contain-i i o 3 i ment spray & ' Ump Valves, Containment sump recirculation valve 2CV-5648-21 j []Q) I failed. The redundant! recirculation valve 2CV-5647-1 was verified oper- t icis,i able. There have been no similar occurrences. Reportable per Tech. Spect l Lc_L6J l 6. 9.1. 9. b. j

! F5TTI I I foisIl I Sb[ "[$s sb.ci$t tou oNewTcout sv2[.. N'on loisi I S I Al@ L,E_J@ L,, A_J @i,l V I A l L IV 10 lP !@ L., A_j @~L Zj @

, , , ,o i ,.

  1. f QUE NTlAl. Of tt E st wf sat ecu r af v.sacN

((a 610 .svt=7vgse stront rao CORE typ6 m.o l @ fj;;,a' I2. 810l L _i 1016 15i Ld 101 31 LLJ L,, -J LO_J n u 2. a v 2 ., n u T ait N *TO .

FLa T M T [ HOURS 22 s . IT 804 UM sumets was racTuata L.B_J@L.Z__J@ LlJ@' LZJ@ IO I O10 I u I tLJ LtLJ@ L.3A_j@o lR13l7l8l@

n 2 as a n .o L.i @ .., .,

CAUSE CESCR.PTION AND CORREC ftVE ACTIONS h i liio i i Investication revealed the valve coerator overload breaker was tripped I f_- LLuj 1 and could not be reset. Foreion material was found in the valve coerator1 i

l m iswitch contacts. There was no problem with the supply breaker. Switch i LLHJ l contacts were cleaned and the valve was returned to service meeting re- 1 m I quirements of T.S. 3.5.2 Action a. i staN  % Pow $8e STHE R PTAT 13 Dist Hv Disc b32 L'J.5J LF_j@ l 019 l 0 l@[Pcwer Ops I [A_j@l During Surve!.EMv OtscHieriON11ance TestTng l l

= ,l>,,,,,, g ,,,, '2 a a a u acu ui '.2 toc,roso,,ne.a@

8 LiLJ @o o,astease LZ_J -l NA .ov=T o, activif v @ ll NA l

',,oso.~.~'d,,@,osS.,-

.c,

" " a T ,, o.o ,T.O 81010l Ol@LI_J@L_ '

NA I  :

. .so 't ,~;u'.',c s a

~u..ia oisc...T,o=@

i =

101010 l@l NA l

> . . . ii i,

<* s0,omOAMAG 70 FACsLITY "

8, . ,LI.8@'.. NA l

Issu 04 miPTION NNCUSEONLY E LN. @ L NA 1 11Illll ;; ;;l AME OF PREPAREf* , - Rex .Penderataf.t____ P..ON E :

5/968-2519~

50 8009250&~[7