ML19345A963

LER 80-085/03L-0:on 801024,containment Atmosphere Dilution Sys Valves 2-CAD-V55 & 56 Would Not Fully Open.Caused by Deformed Stem Seals in Each Valve Operator.New Stem Seals Installed

ML19345A963
Person / Time
Site:	Brunswick
Issue date:	11/19/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19345A960	List: ML19345A959 ML19345A963
References
LER-80-085-03L, LER-80-85-3L, NUDOCS 8011250490
Download: ML19345A963 (1)

Text

_ _

. . s. , s .. , N

=, -

U. S. NUCtE AR REGUL ATORY COMMIESION NRC 80%M Y.6

'(7 77f LICENSEE EVENT REPORT CONTROL BLOCK: l l 'l l l l lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI i N I C I B l E ' l14P lt$ 2 l@l 0 l LiCENst 0 l - NuveEH l 0 l 0 l 0 l 0 l 0 l- l LtCENSE 0 l 0 Tvl@l PE JO 4_ l l l@

57 1 C AlT 154 l 1 l 1 l@

o i 24 26 s <# LICENSEE. CODE CON'T loli1 7 5 5O a% LLBI o f s l 0l-10l312l4l@l 1 : 0 i 2 l 4 i s 10 ]@l1 l 111 l 9 60 6: DOCKET NVveER 68 69 EVENT OATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h o 2 l During normal operation it was discovered lhat CAD system valves, 2-CAD-V55 and 56 l would not fully open. These valves are the supply valves for post LOCA oxygen l gl control from the CAD system. -This event did not affect the health or safety of l l o ] .i l l l

o s l the public.

I l o 161 I I

I O l 71 I Technical Specifications 3.6.6.2, 6.9.1.9b  :

Iois i i 80 CAusE CO"?P. VALVE SYSTEM CAUSE SuSCODE CODE SUSCODE COMPONENT CODE SUSCODE CODE Q l Sl El@ l]@ l Z l@ lVIJ lA lL lV lE lX lQ l Fl@ l D j Q 18 19 20 8 9 to il 12 7

REPORT R EVISION SEOVENTI AL OCCU A RE NCE CODE TYPE N g g po EVENTVEAR REPORT NO.

h ,*(uiagf# l_l l0 l8 l5 l l ,.-] l0 l3 l lL[ l_l l l l298 22l0 l JJ 24 26 27 23 29 N 31 32 woyRS 22 $ B *,1 FOR , Lg. SU #L E MAN T K N A ON ON PLANT 1E lJ3A jglJ4X jg l3bZ l g l36Zl@ 31l0 l0 [0 l 40 41 l lN g l Y g l A lg 42 43 l X lUFl AC6""l9 lg 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h I t lo] ] An inspection of the valves revealed deformed stem seals in each of the valve l lil1l l operators which are believed to have prevented the full opening of each valve. New l i

g,y,,l stem seals were installed in each valve and both valves were returned to normal

, 3 l operation. A follow-up report will be submitted when a cause for the deformed ]

Ii I41 ) stem seals has been determined. ea 7 5 )

OTHER $T ATU? bstCO v OISCOVE RY DE 32H'8 7 t(sN

$1  % POWER S

NA Routine Surveillance l QW'lE l@ l 110 l 0 l@l" "

l lAl@l" Activity co'drENT tocAtioN e, at E AsE h artE Asen oP a Lt AsE A covNT or NA Activity h llNA 11 IGl d h[4Jgl e6 9 fu 11 44 45 9J l

Pf 8450NML F APosynEs NU"tlE 4 TVPf O($O11P TION y l0 l0 l0 -l@y@l '

NA l

' "

• PtesOw'L ,Nav'JiEs Ne.,m e m,C,e P,,eN h' NA l l) is j Q l 0 l0 lg] om so

.< , o te a'U i

t oNS ur On oCJwt to F ACILit) Q h

vet U :n of:.u. Prion -

NA wo .JJ.. f2 i ..

y@l s, ,,,

,a l

iv.uI $cuiPlioNh' 801125o440 NA i i i ,,,iii,,iij i L,idLN_l81

,, 1 ,,,

,. . . . . m.;

@A9L-D7-9321 ,