ML20038A084

Ro:On 761209,during Routine Weekly Test of Battery B for Reactor Depressurizing Sys,One Cell Was Found W/Specific Gravity of 1.199.Cause Is Unknown.Battery Put on Equalizing Charge & All Cells Checked

ML20038A084
Person / Time
Site:	Big Rock Point File:Consumers Energy icon.png
Issue date:	01/07/1977
From:	CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
LER-RO-770107, NUDOCS 8110060021
Download: ML20038A084 (1)

Text

-

,g..

t, s

[

UCENSEE EVENT REPORT S

Courux. ouxx:lcl / I 71013l31 puu. wrm.assensos w

• 3 i

a T

W7 oc==

E alIlslRlPl1l l 010 l-j o l 0l 0 l 0 l 0 l.-l 0 l 0 l l h l 111l 1l1l g lt 7 ia 14 1s as as M

.s 3a -

1. ES 00rtg7 w wm swaper care MPOWf Oate QCCN'T [._,j,, _j

(,L.,l l0 l 5 l 0 j-! 0 l1 l5 l 5 l. l1 l2 ! o l 9l7 l6 j. l 0l1 l 0 l 7 l 7'l 7 e si ss so et sa ~ eie 74 % v4 TON

@ During routine weekly test of the 3 battery for the Resetor De;;esnurizing Systen, 7 au

~.

w Q J one cell was fcund to have a specific gravity of 1.199. The tattery was put on 7 6D a4 l equalizing :harge and all cells vere checked to te within specificatien at 1740 7 s9

@ l hours on 12/9/76. -Id > - * " ~ a

• 4 ' 4 ".

J " t -5 7 89 EUi] !

7 00

,,, 3 j

hY cosesower caos

@{eielfdj I d t!d df Ifl Lj

[Z,,,19 I 9 l 9 i L:!.1 wa.mpe

) 40 to n

123 A. f T R y 17 43 44 47 da CAuss CESCnpicN Q l A study of battery proble=s is being pursued with the vendor t6 detemine the root 7 09 Cg%a9 l cause and 1cng-tem ccrrective action.

s l

'sE

$$tE s acwas cruta starus c=ceverr sts wec=

8 la.]

101 al s i I n

I Ln.J ln 7 a D

to 12 13 44 4s 4s 1

g actm7v ccH7ra r e

entAsto W

ce ratzAss ( ??A l

[ ITA aa,sotest op acrvtry LocArcos cp attrass 7 0 0

10 11 44 43 PERSCNNU. EXPOSURES Nuuets rvn cc:cwren

@ l__Q_I DIOl W l NA 7 JB 11 1J 13 PERSONNO FMcA.t3 g

i houses cascwYca

$ 1010101 lITA 7 d9 11 12 l

s PROBASLE CONSEQUENCES s

@l !!on e 7 89 LOSS CA DAMACE TO FAC3JTY t

Type LG.- =.,

8 L;;j l nr 7 89 10 PUCUC!TY Ql Ilone GS r'

l

~

ACCJTENtJ. FACTOAS ni I,

7 89

&l

--a 8110060021 770107 PDR ADOCK 03000155 S

PDR

I

- $ Y "'

M,.O H T R O ~ L 1,

h,/n,

[!)

g_

i

. e, 4

a v

,e

/r i

.+4 n

a.

y g

y j;g t

-~

t e

s O

l I

/

i c

vs m

I l

h l

j n~\\

m cp=b i

+

w 9

7?

p n' s

}

j j

g

'l f

IQ

,l

k

~~l s

IJ 7

J} m f

I L'

A[

.i Ql i

6 O,

.w g

dl i]

~

. h ff

_,)

e l

w..

9 A

e

._