ML19338E442

LER 80-015/03L:on 800904,during Surveillance Test of Reactor Core Isolation Cooling Steam Line High Flow Switches, Outboard Steam Supply Isolation Valve Failed to Close.Caused by Limit Switch Malfunction.Switch Repaired

ML19338E442
Person / Time
Site:	Peach Bottom
Issue date:	09/24/1980
From:	Cooney M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
LER-80-015-03L-01, LER-80-15-3L-1, NUDOCS 8010020475
Download: ML19338E442 (1)

Text

-. -

% g O ttfue of Inwet t i wi 6 inforteent. 4ca . .n 1 4"3

} U.S. M icar ;c.N I ..wr y f..iit . u.n e 931 Park A*cn x

• irig of Pro sia, PA IAh

c er .'* r . Criert his ..:..'. concerns t.*.e failure of .cI; outboard ste:.r: s'. ppl;t isolation valve :.0-2-U-16 to close during surveillanca testinc.

The applicsole Tact.nical Specifiestion is 3 7.3.1.

9

~ U S %CLE AR aEGvLA f cav CoMMess.cN LICENSEE EVENT REPORT ccNtaot stoc< l l  ! t t

'g .ns Asr epiNr ca ivet att arcuias: e. cavariou is !il ia la la ! ': '

.. . .=t m ! 2 '@h 'l I' *

) f-  !-b,H pI.I2 : '

2:

mm _ i,,  ; O3

. . .. a ...s....g con'? .

!oi'l s[*[ l'@iG 18; 30 1-10 12 37 !7 @o1 9 to f u I 3 !OQO !? 12 i ' S 10 l@

'l svasr m -in eescEnrios i$o .mce 'Is'c'd. sic [esces h e .

!>!2I wveillance testing of the RCIa steam line higa flow svitenes j

• i il I__

vita the unit at full power, h0IO outboard stears supply 1s:lation valte i) !.Ii

_P-2-13-lo failed to close as required by Tecnnical Specifi:stion I*!*iI L 7.::.l. The redt:nchnt ster.:1 cupply valve was verified operaole.

' >H1i f

>ial1 3 41 !

. .2 '

s.ste .u r

.:za ccu

...,i.

a sw.nu s.mtv u ce

....t oi9i 1 -

s. ;i

. ,1,1@ Lgj@ L3j@ 17 i A i L f 7 10 I ? G

, @., d' .@

, 8 i.tv =E.4 i 'v 1 46 .e-t 9  ?/ 8. r

• i k I*CS ba

• 3a r . ') y e.

@ww.- 18 I o 1 [, J l011r5l IA L Ib i I' as

.v.r. ee, . eogz.

u

. . _i.

w, W,.  ? Ut c.,m  :. < n ave . . w.o

.s ou m . ., ..c . .. . ,r. r . <

s e. .o rw, . . . . .. . . . .

j idlsd@ ld, j@ (3. .j@ ..l 010 10n i l gg IJ. } (g(}

.  ! L 12 i C}O Jg

. s..m .m v

cAuss cssca;rrioN aso coaar:Tn,< Acrica.s (,fj 2 . ,,

g[ A limit switch on tt.e Li:'titorque operator for ^-2-13-1. did n:t fun:- 1 li i i tion properly, s iich prevented vsive closure. A .*r.c was installe-1 i

21 1 to restore valve closure frc1 an isolation sig.a1 v.d wts satisfactoril-/ e i1 II tested.

The switch will be repaired durice the ne).t oi tage of sufficient t i,.i t duration. A follow-up report vill be s't-itted.

' , srL.r .a.. ^

.,u.r a v-c.sr.r.s Q) .a..

a.s o,n ,. .n

~T""1dv l J.19 - 1 - 019 - 19 _v !S l MA I !3 ? 9 Crerster stservation

' ./.w r, " *>-C

rrs, 1 '

• l mets.st r 4m , .a

.voar c, ctw.+v @ <,..,- .aga,'.

. M .. W h {.cs'hl .. ..

NA l l e

3A

1. f 4 $ 7.9 ". g g . . # r i'.W i '

..a. r4  : s ss .. ..s @q u

@ l 0 l 010 !8(rj,j.31 NA 4

,, os .as,la n " i 1

..e mm.e os@ 07 t n

IlolotojGl 0 v nA 3\t s s s a I

'~h cu noe :acw; e m r.t as eu b a_,8 t s",

p R L.ij$l .

': A e' P- -t t I

. yd '.skn e. s k^;/ 2 7 44, [

• M j W  ; ;"* L

• e s 2 I 'f 3 fif I I iita

, '. .. Oocney iljh .asq N t

8010020 Y7 7 3 I i-