ML20028E774

LER 82-061/03L-0:on 821216,offgas Isolation Valve Failed to Close Fully on Independent Closure Signal.Caused by Defective Pilot Solenoid Valves Due to Foreign Matter on Solenoid Valve Seat Prohibiting Termination of Air Supply

ML20028E774
Person / Time
Site:	Oyster Creek
Issue date:	01/20/1983
From:	Harkleroad R GENERAL PUBLIC UTILITIES CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20028E760	List: ML20028E758 ML20028E774
References
LER-82-061-03L, LER-82-61-3L, NUDOCS 8301280188
Download: ML20028E774 (1)

Text

-

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

^

.1-c - --. . . .

. . . . , _ . . . . a ,. _, . . , , . .

U. S. ha' ar' 8 nEGubA70nv Pa**=* *'^*'

Nec #W W UCENSEE EVENT REPORT

[ .

Cominos stocc I I I I I I 1 ie6 East enwr on Tvet ALL atousato =eonaurioen

- i .@

p. l. NI T Iuso Iaccon l pli l@sl 0101 -1010101 uuma olo an l 101 ol@l = = 411uu 1111111@

uim a i@

Co.cr o i E

" 1. s 10151010101211191@l1 ei oos.sv u=== = = 12 sys= I 11618=rs l 21@ln = = t i awong l 21 018131@

ues a EVENT DESCAiFTION ANO PROSASLE CONSEQUENCES h i

Q l Durine cre-senre nnrvoillnnen nf the of f cne Ten 1nr4nn Unluo 4e une ur. usa l noted rhne vn1ve fnflod en fn11v c1nen on one of five indeDendent Q l closure siunals. Investiention revanled ehne nne nf run nilne unlannid I o t, I vn1ven una nne enmnlaro1v termfnneine nie en the off cne Un1 vo . I oo i preventing valve from fully closine. 'Ihis event had no effect on the j eme ,11-._ma wo Tach. snee. I

@ lhoniew x enroco nr eko m,w14e e n., A 4 + 4 m.,

e 1 3.1. Table 3.1.1. Item I. Reportable under Tech. Soec. 6.9.2.b.2.

I

• • v.s c sges g g ,

8, . I MI nl@ W@ uU@

. i. is lviaI AI LI Vlo I Pth . h h stou. T.AL OCCuanas.CE Asv.s.ess.

LaAimo lysa:TVsA4 fasponT8 4A Caos me Tv o.n?

s aig, j a. -

.. em m= m, war o er ,o... v.ex mas.

were we we p ioiope we we we a iei ej i

t

' CAUSE DsSCRsPTION A8 0 COAMECnvE ACTIO8st t l Tho enneo une neer4hnenA en fnve4an meen- inAnaA an enlann4A unlun emme 1 e i lDrohibitine comolete terminneinn nf nunn1v nfr en eho off-cne Ten 1neinn 1 I

g i Vn1ve which raanl ead in eho un1va'e fn41nva en Fn11hein== The oilot I 1

@ l solenoid vn1ve una remnvad. vannited and vornened en corvfra --ennesn1

@ l air sunniv lines vill he h1 nun-nne durine refnpline nuenoa. I

's AY t pov.sa oviesastavus h "u.ecovenT onscowsayosaca.,r.o.,h y

6 [gj h I ol of .33 d hi na N /A Ja leM h cnnern1 e Rnom Tndiention I

.4.uan= g=uan ur .o . uan,@ -

' a U L1' ou v . aaviv a @ ll N/A I

• * =

..o

't.s.Ol,0.J.',a rm N/A.nio @ -

I i > 1 olo lo 'l@LzJ@l" w ii

' ' ' ni. =6' ,J.a

w. ous no @

i

• Iofclol@ln N /A I 6oss eves o, ossca+vio on ao.ii cs v.o, ,assurv i

. W@l

.. i.

N/A I

'* aaC =4 cacy 8,.s p@g N/A

,,,o l I lIllllIIlIliI se ..

8sAadE OF PREPAAER Rnn Mnrklprnnd . Pn0N!. (609) 971-4809 i

8301280188 830120 gDRADOCK 05000219 PDR L-. 2- .

-