ML19345A982

LER 80-049/01T-0:on 801105,when Isolation Condenser B Was Removed from Svc to Repair Steam Leak,Vent Isolation Valves V-14-1 & V-14-19 Apparently Failed to Close.Cause Undertermined.Stem Packing Replaced & Tested

ML19345A982
Person / Time
Site:	Oyster Creek
Issue date:	11/20/1980
From:	Crosby P JERSEY CENTRAL POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19345A981	List: ML19345A980 ML19345A982
References
LER-80-049-01T, LER-80-49-1T, NUDOCS 8011250534
Download: ML19345A982 (1)

Text

- -. , ~ . . . ._.

g,, ;,g.,g

.

. . . . . . . . . . . - - - - - - . . -

, , _ ,,,,,,,,,,,,,,,,,,,,,,,c,,,,,,,,

a.m *

-

t!CENSEE EVENT REPORT

-

. _

-

• h costnot.stecxi l l l l l l-

@ mLEAsa PRINT oR TYPt AU. REQUIRED INPoRMAT1oN)

'

Lo_.L'.J l Nl J l 0 l C l Pis l 114l@l Ol 01 -lWC8N34 0l 010l 0 l 0 l! l 0102$ l@{2a 4 JlUCENSE i1 11 11 I i F 4 9 UCat4388 COOg %MS ta rvpt 40 l@l43 6.T b4 @ ~~

con r Iolil.

> a

.,E I L )@l 0 ; 5 l 0 [ 0 30l2l1l9Jgl1ll'i

"

u es t 15 l 8 l 0 l@l1 re an 11 aucar 12 l0 [810al@

o.ra no si coCxer wuun avaNr cara avan r onscairTioN AND P AoSASLE CONSECUENCES h

_ g g Operation in a degraded mode as permt tted by Tech. Spec. 3.8.C when I g y;T1 t_ Isolation Co'ndenser "B" was removed from service to repair a steam leak l io ;,; I on vent. . isolation valve V-14-19 and possible degradation of the reactor l

., m ; coolant pressure boundary and primary containment when vent isolation  ;

iG,,, , valves V-14-1 and V-14-19 apparently failed to close. There was no t g ; adverse effect upon public health or safety. -The redundant system was t

,,,,, , available and verified to be operable. i

: , sa

"

. 40 E SW C" 4 CO?JFONE*;T 000E 1680053 ** OE ioisi i CI E l@ [E j@ l Bl@ l V I A ll IV lE IX }@ l F l@ W @

F & 2 IQ it i2 la 18 10 'O

. ,,,. SECOENTIAL CCOUARENCE RIPCMT R EVtsiCN EVENTVfA4 R E7CMT NC. COCE TYPt NQ.

,eg

@ ."g,g g 30

_2i i 81 0l 22 l-l 22 l0l4l9[

24 24 l/l 27 l 0l 1l 23 3 lTl 24

[]

21 l0l 22 AK as YN P f u DeCURS 22 SUE TT PC W S. tit uA p sgm lAl@lXl@

22 4 lz[@

23 J@

se si

[0l0l0l0l

.o y@

4i l N]@

2 l 2Ni@ . l .S l 2 l 1 l 21@ .,

CAuti cE30RfpT1CN AND CCMAECTIVE ACTroNs 27 iiiol l Isolation Condenser "B" was removed from service to recair a steam leak I ii ei; I on vent isolation valve V-14-19. The stem cackino was replaced and I g l tested and the condenser was returned to service. The cause of the r g I apparent failure of valves V-14-1 and V-14-19 to acerate could not be f i, ,,i l determined but proper operation was. verified before returning to service. l

'ar*Au'? snewen omanstatus h oEc'SSN oiscovsaveesemimon @

ITTTI I El@ l 0 l 9 l 0 l@ln NA l lAl@l Ocerator Observation l T

a,g,y,,, ,g g i2 .o muse tocarie= e, mus @

[TTTl W@o e,mus.lzigl 4.eu~re,icnviry NA @l l NA l

' ' ' ' " "

.soNNd ex, esso I wona rvn :ncaime~ @

l li 171 I ol 01 Ol@l Z l@l NA l

' ' ' ' "

nose N.u'im'A.:

Nuuna suCaimca@

I lallOl0l0[@l 7 8 9 11 12 NA 40 l

T t CSS pT CN NA I r 191e 9 II l@l to l

7 30 agggg MiPT,CM l2l0l8 9lY lhl 7 to WeeklV News Release l 43 89 I!lllIlllI!Il 40.-

Paul J. Crosby 600 6o7 sn17 l 8 01I egg &~,ueo,,.E.Anin ~

,,,cN e.

~

.-

(l

-

1

._s7 _ . _' _ ._

~ ~- -