05000369/LER-1981-054-03, /03L-0:on 810413,while in Mode 3,solenoid Valves Providing Isolation of Nitrogen Accumulators Leaked.Caused by Valve Seat Scarring Due to Dirt & Debris.All Solenoid Valves Will Be Replaced & Pipes Will Be Cleaned

From kanterella
(Redirected from ML20009C252)
Jump to navigation Jump to search
/03L-0:on 810413,while in Mode 3,solenoid Valves Providing Isolation of Nitrogen Accumulators Leaked.Caused by Valve Seat Scarring Due to Dirt & Debris.All Solenoid Valves Will Be Replaced & Pipes Will Be Cleaned
ML20009C252
Person / Time
Site: McGuire Duke Energy icon.png
Issue date: 05/13/1981
From: Ouellette R
DUKE POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009C248 List:
References
LER-81-054-03L, LER-81-54-3L, NUDOCS 8107200410
Download: ML20009C252 (1)


LER-1981-054, /03L-0:on 810413,while in Mode 3,solenoid Valves Providing Isolation of Nitrogen Accumulators Leaked.Caused by Valve Seat Scarring Due to Dirt & Debris.All Solenoid Valves Will Be Replaced & Pipes Will Be Cleaned
Event date:
Report date:
3691981054R03 - NRC Website

text

-,

~

/

i NRc Po2M 364 c7.nl U. S. NUCLE / A REcuLAToRY COMMessicN LICENSEE EVENT REPORT EXHIBIT.*-

CCNTROL 5 LOCK: l I

I l l l l

(PLECE PRINT OR TYPE ALL REQUIRED INPoRMATloN) i 4

lo l i l l Ni C I M lG lS l 1 l@15l0 l- ! O D 1010 l 0 l -l 010 l@ 4l lj 1 l 1l1 l@

l lg 0

7 8 9 UCEN115 CODE i4 uC1954NWuSEM

.S M

UCENSE Tvet JO 57 CA T be con'T E,,"CI I L @l 0 l 5101 Ol0 l 3 l 6 l9 @l 0 l 411 l 3 I 8 ! l@l 0 l 511 13 l 8 l ll@

10iil 7

8 80 si coCgETNumegn es 69 (VENT QATE I4 73 AEPCMT OATE so EVENT OESCRIPTICN ANO PRCS A8LE CONSECUENCES iotalI While in Mode 3, initial fuel loa ing, the solenoid valves which r

provide isolation of the nitrogen accumulators leaked.

In order to ensure containment integrity, the valves were closed and thus were declared inoperable. This is in violation of T.S. 3.6.3 and is reportable

,,a,,per T.S. 6.9.1.13(b).

Since closing the valves ensured containment pg integrity, the health and safety of the public were not affected.

t o is l I l

7

.s SYSTEM

CAUSE

CAUSE Cous y,gy, CCCE CoOE SueCCCE CCM.CNENT COct EbeCCCf

$usCoog l_ _ Sl D l@ [_Bj@ ( C l@ l VI A I L I V I El N@ @@ @ @

to!si 1

ia i,

i2 is

,o

'IEUo'a'T =o'

'$"C

"^

~tv5NT vrea

"'vrT' b lua,=o I, d 1 I l-l 10 ! 514l l/l l 013 l

[ Ll

'g

[

Mel a

=

1 a

n a

n u

n ACTICM ptJT,y n g spaECT

- C Ca CN auu?

SMUTO.CwN ATT.c.TTr o

,uga r

%,n o,,.

C e

aniu,f u.ur-a=<N u,C,C,u,C.cw,T, u

EN uETi Co

.g su so

-.u,.

su lAIglXl@

[ Z ig Q'g l0 I U.i @

[gg lL l@

p l3 l5 l u

m m

u e,

CAUSE CESCMPTICN ANo CCARECnVE ACTICNS h [i;o1 ( Dirt and debris left in the lines af ter construction scnned the valve

,,, seats causing the vE lves to leak. All soleno.id va.ves will be replaced. The pipes will be cleaned and filters wf11 be installed in order to prevent a recurrence.-

Li_L4,.} I f

7 8 9 Af

%PCwfR QTHEM 57ATVS, 0:

v RY Operator dbSCovtRv Ct3CNepTICM ii is1 [_X_J @ l 01 01 Olg i Mode 3 l

[AJgl servation g

7 s,A,y,,,

CyL,,,

is 12

  • a

,o u T.,.CT,.iT. @ l toCAmo.....uA.,@

..m..C,..u.

li i s 1 {,2_] @ [_Z_j@l NA

[

NA l

. asc~~et ex,esL, I M l 0 l 01 Ol @ l Zi @ lC.,C

.,C @ NA vu...

7,..

l

... sc~~,'c',~2u'a', e s o<sCm.no~@

vu...

It la l l 0101 Ol@l NA l

7 8 9 12 LCSS C8 CM CauaCE TO paCrury gg Tvel CE SCmPT1CN LLL'.) l Z_j@[

NA l

7 i.

,ggy g og CNiPTICN L2Lo_!INU61 NA l ll[lr((;;jj;l R. W. Quellette

('707) 373-7530 NAME cf P*: PARER PwCNE:

8107200410 810513 PDR ADOCK 05000369 S

PDR