ML19312E204

LER 80-041/03L-0:on 800430,while in Mode 5,valve 0-FCV-32-10 Isolated on Low Essential Air Pressure,Causing Valves 1-FCV-90-108,115,109,116,114 & 110 to Close.Cause Unknown

ML19312E204
Person / Time
Site:	Sequoyah
Issue date:	05/29/1980
From:	Mcgriff J TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19312E198	List: ML19312E197 ML19312E204
References
LER-80-041-03L, LER-80-41-3L, NUDOCS 8006030463
Download: ML19312E204 (1)

Text

.. .

/

/

O Nnc ronu aca u. s. Nuctc An ntcut Atenv cc .*vissioN (7 m g / LICENSFE EVENT HEPORT EXHlBli A

\

CONinO'. C L CM l l l I l lh (PLE Asc rntNT cn Tys'C Att, r.tOUIRED INFQn.*.!aficN) o i

, lTlN!..SIN

, e. ~ t lPl1_l@u0 10I -l0 L.w.._.0101 ol .. m .. 01- I oI oJ@u4lIl1]_,1l1l@l . m i.,. u ,,

I_j@

co*rv

, IoIii C.;; LLi@LO I 5 to I o ! 01312I 716l O!4.L1LOLS.LOJ.@l.501s I 2]_3J s ! o1Jl@

8 ,

1. LJ s.1 n ; . E T *.U-

• 14 .~ bJ (W('afDAT( . nge grit c A rg tvc .T estcnictic , ANo e. cwit s cc ncaoi .a s @

lo!'IIWith Unit 1 in Mode 5 0-FCV-32-10 isolated on low essential ai_r_gressure. I

, ,, i 3 , tThis couned 1-FCV-90-108 t -115,_-109, -116, _11_4, and __--110 t o close. I g . ,q IThese valves previded flow to centainment__ upper and Icuer compartment  !

10 p.,i t radiation monitors and were therefore inoperable. T.S. LCO 3.3.3.1  !

F5Tr) l requires these mon _i_ tors be operabic. There was_no danser to the health I io ,,, t and. safety of the public. One previous occurrence SQRO-50-327/80022. I I o lae9 IL __ I i 'J S v ' 1 ! *.9 c.g f r at*t C.r **

citi VA(.E t u;; t S t.iU M c' r *.t*.T f our 2%COM si;i c 0., t e -

, u I M!s l@ L3.j@ LzJG I Zlz 9 10 ti t .' tJ I z t 212_LlJ.4S ELJ@ s ta LZJ M

G SF.,.x,.,

q. f *, f.8 A,t 00rrnrietgs t,e e at y 98 v,;iov

,,,,.i e...,.n ,m.. ,,,, .o G ."u.'t.m . .,

I,,8 0 uI L,,-J Loi 41 11 Le, J L,o lL,J, L tJ L., j LOJ

. n 1 n ..

07! 'M.! c7l % 5a%s' .c ,, @ aW.vi;r.;'

u s .;;.M 'IM,^g' ..f.U.53',n IIJSI.L.

u J6 1. L2JO L2J@

2- .t o ! o! o ! .. o f.(RJ@ L,HJO L.,zJ@ .

Iz19I919IC CAost t.t*,LnIP TICN AND CC:ent0 r?Vt ACTIC*r, h ITF 1lCause is unkncun. All valyes im_ediately recpened before actica statomaneI g, j 1 3.3.3.1 could be implemented. i L'.id i I

- 1 J

I, ' i .1!, I n

,Ei *. Ps..t s, 01..t re $ f A TL*, ( i. [. *(0 C' v D( Y.f HP T,* ',

LLLJ LJ1J@ loJ.0 ! Ol@ N/A ._J l AJ@Lo nciarat_cbser2nion... I

. !,m . , , J:, t .., '- * "

. .n . ._ v....., ',.'. .o. , , o, .sc n o . . . @ ' '

.. m 4,.. , o, n. a n.~ A FI F ') 'LzJ O L2Jd;L_N/A l l M/A I

. . . ,. ...'/*, . " " "

. , '.'.c.

.... ...m..c.,(E)

Fil 1 I ol . .010 l@[Zj@l " N/A I

, r ..m. . , " . , W.

. , o g ts nr e;L,9 P ' tfj'.

f T 110

, l' 3 I OLo_J,S!5.' 1 N/A _

j b*'

s e:. . *v .n o r n o.. s . , At e n s , . (?

r e... n .- '

m , n .,

. ., ., .I'C.',' $ n.r . ,n,. @ #'"'""

,' <,, L,H.J'; Q ..,

N/A I L I!!!!'III'I

...,i a -

N Av, si r...t . .r. I, .

James M. McGriff ,,,oy o 615-842-0295 8006030 @ p ,

k