05000250/LER-1980-026-01, /01T-0:on 801211,125-volt Dc Battery 4B Out of Svc for Approx 25-h.Caused by Servicing for Annual Discharge Test.Battery Returned to Full Charge

/01T-0:on 801211,125-volt Dc Battery 4B Out of Svc for Approx 25-h.Caused by Servicing for Annual Discharge Test.Battery Returned to Full Charge

ML17340A596
Person / Time
Site:	Turkey Point
Issue date:	12/23/1980
From:	Pace P FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML17340A593	List: 05000250/LER-1980-026, Forwards LER 80-026/01T-0 05000250/LER-1980-026-01, /01T-0:on 801211,125-volt Dc Battery 4B Out of Svc for Approx 25-h.Caused by Servicing for Annual Discharge Test.Battery Returned to Full Charge
References
LER-80-026-01T, LER-80-26-1T, NUDOCS 8101130377
Download: ML17340A596 (1)

LER-1980-026, /01T-0:on 801211,125-volt Dc Battery 4B Out of Svc for Approx 25-h.Caused by Servicing for Annual Discharge Test.Battery Returned to Full Charge

Event date:
Report date:
2501980026R01 - NRC Website

text

U S NUCLSAR RSCULATORY Cc'NVIMISSION NRC FORM 4$8 P.T2) a CCN'T

~O 1

3

~o LtCENSEE EVENT RElSORT QI IPLSASS PRINT OR TYPS ALLRSQUIRSO INFCIRMATIQNI O~>0~ 0 I

F ILIT P

SI3 I

2

,0,,

Q

'IQ 40 Cl OQCKST NUMSSA ia Ca CVCHTOATC lw Is RCPQRTOATC Sa SV SNT OSSCRIPT2ON ANO PROSASLS CONSSQUSNCSS QIO During power operation of Unit No.

3 and refueling shutdown on Unit No. 4, the 4B 125 VDC batter was out of service for a roximatel 25 hours2.893519e-4 days <br />0.00694 hours <br />4.133598e-5 weeks <br />9.5125e-6 months <br /> minutes.

This interval exceeded the 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> allowed by TS 3.7.2.c.

The battery had been out of service for the annual discharge test.

Restoring the battery to -full charge prior to returning it to service following the test was delayed by a problem with the associated batter char er.

~oa

~09 1'9 30 SYSTCM CAU5$

CAVSC COMP VALVE CQOC ZOOS SUSCQOC CCMPONSNTCOOC SVSCOOS SUSCOOs 0 Liw mS~S MS MS 1

i 9

l0 If I2 la IS I9 20 SCQUCNTI*L QCCJRRCNCS RSPQRT RCVISIQH.

LSRIRO CVCNTY AR

RCPQRTNO, COOS TYPC

~

HO.

Qi iiiia r [BBOJ ~

~02 0

" ~M

~01

~T

~

.~0 2I 12 21 24 2$

'21 25 29 20 11 11 ACTION PUIVRS Sl'SSC

~

5HUTQOYI4 ATTACNMCNI 4PRO<

PRIMS COMP.

COMPQH CNT TAKCN A Tloi~

CN PLANT MCTHOO

~

NOVAS Q22 5VSMITT 0 POR1114$.

SUPPUCA UANUPAC VRSA QISL'JS LNS LJO LQLLNLi OIS LNS I IS LLLiLWNS 22 Jw 1$

11

~

w0 Wl 42" 41 ww w1 CAUSS OSSCRIPTION ANO CORRSCNUS ACTIONS Q22 A shutdown of Unit No.

3 was initiated in accordance with procedure.

The power reduction was terminated at: aa roximatel

86. ercent w

w battery was returned to service.

power.

The unit was then ret:urned to full 50 MSTHQO QP OISCOV SRV OISCOVSRY OSSCRIPTIQH 2

~BQsi.Suxveillance test ws LOCATIONoF RSLSASS QZS NA ww ws JO 30 NRC USC ONI.Y

'<<i <<!

ca 59 10 PRQN I

552 380 1 P.L.

Pace SIAS18 OF PRSPARSR 8 Xo 1 2 S 0 377

~IS a

9 PACIU.Y STATU'5

". PO5YSR 0TIISR STATUS QZO 200 US L

"'LYSI 10 12 11 Jw ACTIVITY COHTCNT ASLSASSO 0> RSLSASS AMOUNTOP ACTIVITYQZS

~8

~ZQSS

~QZ.

NA 3

'1 IO Il 15050HHCI CKPOSURCS VUMSCR IYPS OCSCRIPTION

~ii ~00 0 QÃ~2Qii NX 1

5 I I I'1 IS PCRSOHHCL IHIURIC3 3

I I l2 Less QP QR QAMAQS 10 l'AclLITYQio YP'I QCS RIPTtQH 9

~?iQw'A 1

a l0 PUSLICITY

ssuco OcscRIPT:OH QS 2

0 LN l(twl NA 2

1 0