05000369/LER-1981-055-03, /03L-0:on 810416,cold Leg Injection Accumulator Declared Inoperable Due to High Level Alarm.Caused by Cold Leg Accumulator Discharge Check Valves Leaking.Valves to Be Repaired & Retested

/03L-0:on 810416,cold Leg Injection Accumulator Declared Inoperable Due to High Level Alarm.Caused by Cold Leg Accumulator Discharge Check Valves Leaking.Valves to Be Repaired & Retested

ML20009G164
Person / Time
Site:	McGuire
Issue date:	05/16/1981
From:	Ouellette R DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009G159	List: 05000369/LER-1981-055, Forwards LER 81-055/03L-0.Detailed Event Analysis Encl 05000369/LER-1981-055-03, /03L-0:on 810416,cold Leg Injection Accumulator Declared Inoperable Due to High Level Alarm.Caused by Cold Leg Accumulator Discharge Check Valves Leaking.Valves to Be Repaired & Retested
References
LER-81-055-03L, LER-81-55-3L, NUDOCS 8108030388
Download: ML20009G164 (1)

LER-1981-055, /03L-0:on 810416,cold Leg Injection Accumulator Declared Inoperable Due to High Level Alarm.Caused by Cold Leg Accumulator Discharge Check Valves Leaking.Valves to Be Repaired & Retested

Event date:
Report date:
3691981055R03 - NRC Website

text

,_

- ~

9 e NRc FORM 344 U. S. NUCLEAR R ECULAToRY CCMMIS310N win LICENSEE EVENT REPORT EXPIBIT A coNTRot sLocx: l l

l l

1 l e@

l (PLEASE PRINT OR TYPE ALL REcuaRED INPORMATIONS I

R lN I C l M1 Gl Sl 1 l %s010 l-l Ol01010 ! 01 -l d O l@l4 Il i 11 ll 11@[ ls l

r e e uctusas coos i.

i i causeau-asa

p

s ucaust rv,e a con'T 10fil

"*"! (_I,@ l01 51 01 01 d 31 6l9 @l 014 11 I6ls !! @l0151116!8 11 l @

cu.c 7

0 80 GS COCK ET huua ER 68 69 EVENT DATE 7

IS

.E. CAT OA TE 40 PnoN ANO PROS A8LE CONSEcuENCES @

EVENT cEsca ITTT1 I While in Mode 3, initial fuel loading, cold ' Leg injection accumulator j

gg A was declared inoperable due to a high level alarm. The m;

contained volume was above the limits required by T.S. 3.5.1.1 and is

,,,,ji therefore reportable per T.S. 6.9.1.13(b).

Since there is only new y

g,g;,

fuel in the core, the health and safety of the public were not affected.

Io irl I J

1oia 1 L I

1 ae ao CCE cCOE Su c e COu,CHENT 0000 sueCOct su O E [S l F l@ J@ l B l@ lV [A l L i VIE lX j@ {@ y @

ioj,1 F

3 9

10 il 12 13 18 19 20 SEcuthTi.L O C A.tMCI pe ccat?

A EVistCN.

_(VENTvfAm AEPCAT NO.

cCCE TV t No.

O,,umfmo I 8 I 11 L-J l0 I 5i Sl lI

'0 l 3 I IL I t_-_j W

a'g;;

u a

22 2.

2, a

a u

a c : s:,:

a:n

==r.~

l Bl@LZ_J@

I Z !@

LZj@

l O ! O! 0 @I o f 1.s= ;:=.. 't,w G@

l N j g [L l@

[ W [ O k;l,, g.g u

~~

u.s 0

u u

s n

.o

.i 2

2 o

PricN ANo coaREcnvE Acncus @

cAusE eEsca i,6al1 The cold leg accumulator A discharge check valves were leaking.

,,,,,i This allowed reactor coolant system water to fill the accumulator

,,,,,; to above its alarm setpoint. The valves will be repaired and retested.

9 I i 121 l I

l t i t.1 I I

secwen orwen sTArus, oisEoNmv' oiscovenv oascas Tion h Ii 15 I [XJ@ l 0 ! 0l Ol@l Mode 3 l

lBf@l Routine Surveillance

[

• !nvin ec re.,7

ou....c iv,- @ "

tocA,o,..P.uAs,@

=

1

..u,,, c...um A

li I5I lZj @ (,L @ l I

NA l

l NA l

,.asc~~E nuessis cescai,rie=@

t

wou, rvre I'l71loInInl@(_zj@l NA l

l

'.. sc~~ d'.~,u'A u

=

e uc.,,rio~ @

uo u.

ii 10l01Ol@l NA l

i, i

'r$'s *

• is'c".'Mc?~ '"" @

e Q (Zj@[

NA l

'$."c.,*ric~ @

ggeg0gggB y80$9 o

NRc usE c~Lv

,,su 6 1 LN NA g

PDR

[

ll!!,insi,;;l 2 o R.W. Quellette

"(7E4) 373-7530 NAME CF PREPAAEM PMCN E: