ML20010G123

LER 81-036/03L-0:on 810804,during Surveillance Testing, Containment Isolation Valve SV 2671A in Sample Line to Oxygen Analyzer Failed to Fully Close.Caused by Failed Coil & Dirt on Valve Disk.Valve Cleaned & Coil Replaced

ML20010G123
Person / Time
Site:	Peach Bottom
Issue date:	09/02/1981
From:	Cooney M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
LER-81-036-03L, LER-81-36-3L, NUDOCS 8109150358
Download: ML20010G123 (1)

Text

Mr. R. C. Eaynoso Director No. 2 d1 36/3L-0 Of fice of Inspection f, Enf orcement, Region 1 U.S. Naclear Regulatcry Cornission d,p a 631 Park Avenue King of Prussia, PA 1946 Deat Mr. Eayness This LER concerns the failure of a centairment isolation valve in the oxygen analyzer sanple line to fully close. Applicable Technical Specification is 3 7.D.1 and J 3 7.D.2.

U. S. NUCLE AR Rf CUL AToRY CoMMIS5tC?J LICENSEE EVENT REPORT .

t (PLEASE PRINT oR ?YPE ALL REQU RED INForMATICN!

CONTROL SLOCK. l l l l 1 sl lh s

l,o l.,i l IPm.~s. l A IcuP l 0 l$ l 21@is0IOl 10l0101010 al 1010uw.si uc.e-.o. l@akl1n,. ~11u a1111l@l

,. l l@

- ~

con *T f7f71 1% LAJ@l.o I 5 to 8- Io i21717 l@t o I e I o Ih I e i 1 GIo I oOaET Nwegg o8 63 EwENT part 74 --7h PtPORT o*TE #9 3 a 6e EVENT oESCRIPfloN ANo pro 8 ABLE CONSEQUENCES h li"Til I During o il1=nce testing, with the unit at power, contai cent I pgl 1 isolation valve (SV 2671A) in the sacple line to the oxygen analyzer l Io i4 # ) failed to fully close. In accordance with Tech. Spec. 3 7.D.2, the in 1 r

series ca.naal block valve was closed and placed on the daily inoperable io isI t iu u l l isolation valve log. Previous s hilar occurrence 2-81-08/3L,2-81-o17/3L, t

~

l

[o (il t 2-81-018/3L.

, I oe !

'ccEr* 'c'$e' s'e'$5e coucowsmT eoot - su'sS"c'on sM!"c'on rdTO 4

,I S i s I@ LEJ@ Ls_l@

td 11 12 fJ l V I A I L l Y I E II l@ [XJ @ [Dj ts 19 20 @

REvts'ON 7

sf0Vf%rtAL occusaENcE RE' ORT

_ Coof TYPE 40.

EVENr vf Ap RE*CRT WO.

Ma no O,agg; I eI il22 L-J lo!3I6i Lc.) I3 o I 3,IJ LLJ m

L-!

Js LoJ J2

_U 33 24 M 27

'Cin"is' ,N3'. '"s!",L',W ..'?S ML n'30'M!4 o'J!% 5;1MJ' loIoIo@IoI ou.s LNj@ [JJ@ [A_j@ lAI5l3l5l(

[D_J@LAJ8 3J a* Lz_J@

Jb LZ.J@

J6 3J 40 46 42 4J 44 di CAu E DESCRIPTloN ANo CORRECTIVE ACT1cNS I

iiio # I The cause was found to be a failed coil and an accu:mtlation of dirt on I

li!ei i the valve disk (Atkomatic Dy:io Type Part # 15-6Md preventins proper r

i,,., I seating. The valve was disassenbled, cleaned and the coil replaced. The valve was satisfactorily stroked, leak tested and returned to service. 1 mI I

o U, Li.] . ,I "

's'r*Ms* secwan or easvatus @ EsEoNnT o scovenvesscaierion @

i l i s [Ej@ l 0l 912l@l Unit 3 Refuel l"[B,,j@l

Surveillance Test **

' 42rmrv cStsur tocar>om on n.aAss @

asu4sso or ansass l

avouwr N/A os activity @ ll N/A l

[1_i,5

' ] [Zj @ (JJ@ Mas * **

+

' nasoudelineas muusea ivee oesc=imon @ M , I ik.f" _ . \f -fJ9

, l R l010 *

• lo l@[Z_J@l" N/A Y "

naso % Emu'dts

.9 0bpr h\4) j 7 wuvu a R l01010l@lotscnierios@N/A ([ l E,ogon oa of .

Y '

r'o eaciurv g/A 3/ k j

@ W@l N - e,

' NRc ust oNLY issus

$. [.N_,f@o'as'emimo=@ j N/A A Y/ l llltllltltttl

. . . , .s Y

,m,1. p M. J. Cooney psoNg. (2 M N -5020 B109150358 PDR ADOCK81090 050002 ; ~ ~

5 P

~- . _ ._