05000269/LER-1981-008-01, /01T-0:on 810513,loss of Valve Position Noticed. Valve CCW-8 Determined to Be Electrically Inoperable.Caused by Open Circuit in Several Conductors in Control Cable. Control Cable Replaced & Valve Electrically Cycled

/01T-0:on 810513,loss of Valve Position Noticed. Valve CCW-8 Determined to Be Electrically Inoperable.Caused by Open Circuit in Several Conductors in Control Cable. Control Cable Replaced & Valve Electrically Cycled

ML20009C148
Person / Time
Site:	Oconee
Issue date:	06/10/1981
From:	Jackie Jones DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009C143	List: 05000269/LER-1981-008, Forwards LER 81-008/01T-0.Detailed Event Analysis Encl 05000269/LER-1981-008-01, /01T-0:on 810513,loss of Valve Position Noticed. Valve CCW-8 Determined to Be Electrically Inoperable.Caused by Open Circuit in Several Conductors in Control Cable. Control Cable Replaced & Valve Electrically Cycled
References
LER-81-008-01T, LER-81-8-1T, NUDOCS 8107200325
Download: ML20009C148 (1)

LER-1981-008, /01T-0:on 810513,loss of Valve Position Noticed. Valve CCW-8 Determined to Be Electrically Inoperable.Caused by Open Circuit in Several Conductors in Control Cable. Control Cable Replaced & Valve Electrically Cycled

Event date:
Report date:
2691981008R01 - NRC Website

text

.

=

a pang ponas 306 U.S.NUCLEAn RsGULATOnv emana=*ww LICENSEE EVENT REPORT EXNIBIT A cowTnot stocx: 1 1

l 1

1 I

e@

I trosAss ensur on type ALL ascusaso =pomanatione s.

i l S l C I N I El El 1$ 0 l'O f -I 0 l 0l 0l0101 - l 010 Q4 l1 ( 1 l 1 l 1[@ a clar eslg n 1 e

ucenere coos 4

ucamss awassan p

an ucamos rves a s

i e

court I o i 1 l' l Ol5 IO l01 0l 2I6 l9 @l 015 l 1 I 3I 8l'1@l0 I 6 l 1l Ol8 l 1l@

sounca en en occasr mussesar e-avear oars r*

rs aercar oara se avsNTcascntrTices Ano enosasta cc es4QUsNCSS h. ses a

unv 11. lo81. a loss of valve nosition indication for CCW-8 was noticsd.

f-ITTTI l on

@.1The valve was determined to be electrically inoperable. An operator was placed I

io t4i Iat the valve to manually operote CCW-8 if required.

Thus, the health and r

s Isafety of the public were not affected by this incident.

J Lo,,1,e,,j i 1

io t ri l r

GDIT I r

~

'=*

M

.S='.'.

I CIF l@ W@ [lj@ I El Ll ElC l 0 l N l@ sJ l;;;,Q@ lZ l@

g:gl;.

s.o e r=oo.

leist s.

==e

.'~== =

T-co

@,"o.,a.,g,q18Iil IM lo lol 8l I/I lol11 W

l---I J

a 2

m.

u.

=

n

=

=

=

n a

,.

4J@(zJ@

pJ@

(z f @ J 0 1 O!0 gi I gj@

INI@

Iti@

I I

i i

s =,omn

,u,. x

, ma.u, oun.

J@ >

cause casc:=iption amo conneenve ac; tores @

m IThe loss of CCW-8 valve automatic operability ves caused by an open circuit in g

ii tii Icount,1 cnnancenns in the control cable.

Immediate corrective action was to I

g lsend an operator to the valve to verify operability.

The control cable was m Irenlaced,nd the valve electrically eveled.

l l

li 64 : I I

'sr r"us armensvarw @

o"nscovaaY mace,ewcasenwnon @

smonen l tis l [,y,j @ l1i n.l nl@ l NA l' l A I@l Operator Observation l

r s

g is tz

=

as5 Ii ie i M@ l,,g,,Ql assouwrceacnvrty@ l Locariossce motsass h astmasso op metaAsr NA l

NA I

a e

.e eencarnon @

inassen Tv lt!7l [ 0 l 0 l O b,e @ l NA l

. e

_, a,,

oescmeno=@

munseen l,,5,,,[s,,jlnlnl0l@l NA I

7 8 e 19 12 m

l ' I s I [Zj@m.c=: ~""@

'=.c l

NA l

i 3

a e io

,, "@l I

Nac uss CNLY 12101 NA I

IIIIIIIIfIII l r

e e io es. es so

"*8 M DN 8107200325 810610 m en s:

PDR ADOCK 05000269 0

l

- - _. - PDR, -_