05000219/LER-1982-026

LER 82-026/03L-0:on 820507,thermocouple for Safety Valve NR28J Found Open During Surveillance Testing.Caused by Broken Lead Wire at Thermocouple.One of Adjacent Valve Acoustic Monitor Setpoints Reduced.Thermocouple Replaced

ML20054F560
Person / Time
Site:	Oyster Creek
Issue date:	06/07/1982
From:	Fitzgerald M GENERAL PUBLIC UTILITIES CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20054F558	List: 05000219/LER-1982-026 ML20054F557
References
LER-82-026-03L, LER-82-26-3L, NUDOCS 8206170101
Download: ML20054F560 (1)

LER-2082-026,

Event date:
Report date:
2192082026R00 - NRC Website

text

._. . -

N AC ,ORM 36(.

W. S. NUCLEAA REGULATOAY COMMLE& ION 877H 1.lCENSEE EVENT REPORT coNTaoL utoCo 1 1 1 I I I I (PosASE ra:NT on TveE ALL aEcuar.Eo iNeonmArious

'- s e@

g_

lo Ii .l .lN l 6.cs

, J l Ol us caosClP l 1l@wl0 10 l -l

i. 0 l0 l u.

ucs=saav 0l 0l 0l -1010a j@la. 4 luca ll 11111l@.

u Tvea s .s CGiv T lotil 7 8 Z Ql 400151010101211191@let occaET eu.esen 048 ! 51017 GS EwSMT I Oaf 812 t l@]0 ! 6 mePO

7. 76 l 0171812 tT oaTE an) i@

EVENT DESCRIPTION ANO PROSA8LE CONSEQUEACES h I ., i i i l Durirn surveillance testing, the thermocouple for safety valve NR281uas ' i

, found open. The acoustic nonicor for this valve and the, two adjacent ,

g i valves were all operable, and the setpoint of one of the adjacent j

,,,,,,,, monitors was reduced in accordance with Tech. Spec.-section 3.13.B.2. .,

g i since the appropriate actions were taken, the associated acxstic nonitor ^

gi was operable, and the thermocouple acts as a backup for the acot.stic, ,

i o i ,. i i the safety sionificance of the event is considered minimal. j

'SE" *!$' sETE. cowu=u.Tcoua 5 s"'.E/oe

p. t .. l lI I B j @ (Ej@ IA l@ I T I NI S I Tl RI Ul@ .T1W@ U@ "

o . . .. .. u .a ,. ,,, as sfQUEhflac QCCUAAthCE A4Wis.040

• EVENT VEa4 AEPORT NO. coot AE TVC.RT E Q.

@l LEA ga; /RO I8I21 an as 8as 101216!

a. ao Ld as La ao L3J a IL 1 u . as l-J LO J sa

< O N 'M E SLEET ouns @ ^Sa'i.'Trlo' ,8!0$0.- '"sL"5$7 a,fo"!J* 'ica lA.J@L.IJG a a Izl@

a

• E.'.J@'

G.J 2

1010101 OI si L.Y.J@ IV .a

!@ IL .2 IG .l.x 19 ! 919t@ .,

CAUSE DESCRIPTION AND CORHEcrivE ACTIONS .

ken lead wire at the thermocouple. One gl The cause was attributed to a ,

mI of the adjacent valve's acoustic monitor had its setpoint appropriately i reduced in order to ccruply with the Technical Specificatiors. 'Ihe ,

i,i3i I thentecouple has since been replaced and tested satisfactorily. ,

I mI

'sTW7s* seoman of snstaTus @ 5'sEo ifv' c.sconav c ssca.,Tio @

W [y,,J@ l 0171 31@l NA J W@l Surveillance Test (.

"4aiviTv c$rs T socas.o o, ausua @ -

n Asso o, Raua e l

amou=T NA o, activiTv @ Il NA ,,,,,,

I u.W LIJ uso@ 'd nLZJ@su os

.. TV . o.,c ...T,

@ NA b,j,j,j l 010 l Ol@l Zl@l I

' * * i*

eu.so .al'.wv'd.u

~o . oesc . ric, @

NA l li l-l .10 l 0 I 01@lu i, .

Los,s TV E o, omDE OauaGE TQ eaclLaTv sCR. Tio.e NA i I i l . I (2,J@l a

, . , io A., Tion ngyg[@Q4 NA riii ii,i; i,i, l > l <. ] lN l  !

, . , iv

.. .. a NAutosenEPasta blichael J. Fitzgerald ,,, 3 g, (609) 971-4896 8206170101 820607 PDR ADOCK 05000219 -

S PDR

. . _ , - . _- .-_ - _ _ _ _ _ _ _ _ _ _ . . - _ _ _ . ._- -, ,_ . . . - - -_