05000333/LER-1980-046-03, /03L-0:on 800430,during Normal Operation, Surveillance Testing to Satisfy Tech Spec 4.2-1 Revealed Two Shutdown Cooling Permissive Switches Were Set in Excess of Limit.Caused by Instrument Drift.Switches Recalibr

/03L-0:on 800430,during Normal Operation, Surveillance Testing to Satisfy Tech Spec 4.2-1 Revealed Two Shutdown Cooling Permissive Switches Were Set in Excess of Limit.Caused by Instrument Drift.Switches Recalibr

ML19323G404
Person / Time
Site:	FitzPatrick
Issue date:	05/27/1980
From:	POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19323G403	List:
References
LER-80-046-03L, LER-80-46-3L, NUDOCS 8006020370
Download: ML19323G404 (1)

LER-1980-046, /03L-0:on 800430,during Normal Operation, Surveillance Testing to Satisfy Tech Spec 4.2-1 Revealed Two Shutdown Cooling Permissive Switches Were Set in Excess of Limit.Caused by Instrument Drift.Switches Recalibr

Event date:
Report date:
3331980046R03 - NRC Website

text

uac mam :4.

1. m a dla ai. rcayecc.. L.G

~

~

dm LICENSEE EVENT REPORT O

c=mc 8i.ccm i i

i i

i i

ie m.s..R,Nr c - u.r..ou,n. m ~,c - c.

e j o j 1 l l N l Y l J l A l F l i l@l0 l0 l-10 10 l0 la I -l O I 0 l O l@l-h l i l i l 1 l 1 l@l~

l l@

7 4 9 yCENSEE COCE.

to 15 UCENSE NUMBEA 25 26 UCENSE TYPE Jo 57 CAT SE CON'T 7s lL @l015 l0 l010 [3 (3 l3 @l 014 l 3 l0 l 8 l0 @l015 l21718 lo l@

loIii SG 61 QoCXET NUME ER 68 69 EV ENT 3 ATE 74 75 REPORT CATE 30 Y

4

(

EVENTOESCRtPTION AND PROSA8LI.CONsECUENCES h i l o 121 l During normal operation surveillance testing to satisfy TS Table 4.2-i revekted I

ga43; l 2 of 4 shutsown cooling permissive switches ser in excess of the 75 psig limit in I

ioi4; l TS table-3.2-1.

01-PS-128A switch number 1 was set 17 psig high and switch ~ nte.mber I

go;3; [ 2 was set 9 psig high-The redundant switches associated with 02-PS-12SB were

{

toisI I within TS limits.

The event did not represent a-significant hazard to the public l

l0;7j l heal th and safety.

[

I lotal i 80 7

ss CO E

Su C E COMPCNENT CODE SuaCOC'E Su E

loial lc IF l@ W@ J E l@ l ll Nl S l Tl Rl U l@ l S l@ l Zl @

7 i

9 to in 12 13 18 19 20 SEQUENT 1A4.

CCOURRENCE REPORr REVISICM LIRiRo EvtNTYEAR R EPORT NO.

COCE TYPE NC.

@yg 18101 1 101416 l lM l0l3l lL l' l-l l 0l a

._2s 22 22 2+

2s 27 2s a

so.

si 22 EN 7EEd cEA'4Tr

• • 8TS*ec"o*

5 curs 02: ^U 174r taTO.

• ='u",Wer

>W!#TER

=

lE [gl3Zl g l5I jg l36Zl@ l0 l0 l0 l0 l [N-l@

lYlg laNl@ lB l0 l6 l9 l.

J3 3

37 44-41 42 d

44 47 CN AND CCRRECT1vE ACTICNS @

cAusE CEsCRIPT g i, o ; l The cause-of the incorrect setpoint is attributed tar drif t.

The switches were i

g;,il immediately recalibrated and returned to service.

Surveill'ance frecuency has 1

,,,,,l been increased from menthly to weekly.

This increased surveillance testing will l

,,,,,l be maintained until stability is demonstrated.

No additional action is required.

l I

lii46l-7 s e so 01 ERY otSCCVERY CESCRIPTtCM QTHSSTATuS

% PCyWER Surveillance l

ii 151 l@ l0l6lIlgl l

lSjgl iz 11

+4-4e so aE

'STw r

4=ouNrer4CTivnv@ i tec4TicN o, REuAsa @

l 5 I a I LIl@o : L2!@l

.n 4st R uuest a

I I

e ras =NNs.oresen eEsCRimes @

~uM.EM rm li l 71 l o l a l 0 @l Zl@l NA l

,ER cN~E % u'2Es oEsCRirneN@

uuM.

NA l

li 141 10101 O l@l 7

8 9 11 i2 30 LCSS CF CR CAM 4GE TO FACILITY TYpt OESCRIPT.CN l's i s l I z l@l NA l

T 4 3 to go issu,'EsCRimcM @

8 00602 03TD NRc usa cNw I 2 i 3 l l N fhl NA S

l lllllJlIi1Iil