05000333/LER-1981-007-03, /03L-0:on 810113,during Normal Operation,Core Spray Pipe Break D/P Switches 14-DPIS-43A&B Found Set at 1.08 & 0.77.Caused by Instrument Drift.Switches Recalibr & Returned to Svc

/03L-0:on 810113,during Normal Operation,Core Spray Pipe Break D/P Switches 14-DPIS-43A&B Found Set at 1.08 & 0.77.Caused by Instrument Drift.Switches Recalibr & Returned to Svc

ML19343C010
Person / Time
Site:	FitzPatrick
Issue date:	02/12/1981
From:	W. Verne Childs POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19343C006	List: 05000333/LER-1981-007, Forwards LER 81-007/03L-0 05000333/LER-1981-007-03, /03L-0:on 810113,during Normal Operation,Core Spray Pipe Break D/P Switches 14-DPIS-43A&B Found Set at 1.08 & 0.77.Caused by Instrument Drift.Switches Recalibr & Returned to Svc
References
LER-81-007-03L, LER-81-7-3L, NUDOCS 8102180491
Download: ML19343C010 (1)

LER-1981-007, /03L-0:on 810113,during Normal Operation,Core Spray Pipe Break D/P Switches 14-DPIS-43A&B Found Set at 1.08 & 0.77.Caused by Instrument Drift.Switches Recalibr & Returned to Svc

Event date:
Report date:
3331981007R03 - NRC Website

text

-

U. S. NUCLEAR REGULATORY COMMIS5;CN NRC FORM 366 (7 77)

LICENSEE EVENT REPORT CONTRCL SLCCK: l l

l l

l l

l (PLEASE PRINT OR TYPS ALL REQUIREO INFORMATION) lo I1l l Nl Yl Jj Al Fj 1lglS0 l 0 l -l 0 l 0 l 0 l 0 l - l 0 l 0 l 0 lgl 4 l 1 l 1 l 1 l 1 lgl l

lg 7

8 9 L:CENSEE COO!

14 i

LICENSE Nuv6Ea 25 25 LICENSE TYPE Jo 57 CA 7 5d CcN T loisl [C"ylL @l0l5j0l0l0l3l3l3 glnj,j, l, j g l 3 gjo l pl ij 2l Al l l@

7 5

50 61 GCCKET NUM8 ER 68 63 EV ENT C ATE 74

'S RE' ORT DATE 83 EVENT OESCRIPTioN ANO PAOBABLE CONSECUENCES h t o i 2 ! l During normal operation, while conducting surveillance to satisfy Technical Soecificatict, Ia 4 3i ; Table 4.2-2, core soray oice break D/P switches 14-DPIS 43A and 43B were Sund w t at I

i l

t a iai i 1.08 and 0.77 when reauired by Technical Soecification Table 3.2-2 to be set at ecual I

f to or less than 0.5.

Switch 43A was also found set at 0.72 on 1/23/81.

In each case 1

io,3; i the switches were immediately recalibrated and returned to service. No significant l

;,3, i

3,., ; hazard existed.

I IOi3i l 80 SYSTEV

CAUSE

CAUSE COM*.

SLSCOOE VA LV E COCE COOE SL8000E COMPCNENT OOCE Sb8C00E 10191 l S l F l@ l El@ l E l@ lI lN lS lT lR {U l@ l S l@ [y @

7 3

9 13 11 12 G

!3 Id 20 SECO ENil AL OCOLRAENCE REpcRT R E visiCN eg no EVENTvfam RE'CRT NC.

COCE TYPE NC.

@,(,ig; I elil 1-1 LO10l7l l/l l O! 3 l l L!

l-1 L9J

_ 21 22 23 7t 26 27 23 29 30 31 3;

AbON ON PLANT vT

• • OV A S SS l POR 6.

SLP Lt MANLFACT RER EN IE !@l XI@

l Z i@

lZI@

I 010 !0 lu l l Nl@

lYl@

lLl@

l B 101810 l@

34 05 06 3 <,

40 48 4:

43 44 47 33 CAU'.E OES:RIPTICN AND cCR AE0TIVE ACDCNS h j i i a i l Instrument drif t is believed to be the case. Surveillance has been increased.

I I

ji1I liirl1 I

l li t al l 1

li ia l 1 80 cTwER sTArus @E'sE:ila$

's'EE ucwER cise:vERv:EseniPT:cN l1 !s l l E l@ l 110 l 0 !@l NA l

l Bl@l Surveillance l

A0Tivt*v C NTENT

• ELEASED 08*ELEASE AVCUNT 08 AC*1vi*v LOCATION OF 7E'. EASE NA I

I NA I

Ii ie i L;;_j @ l z l@l 44 45 80 7

S 9 to 11 l

• EaSONNEL E A80SLRES l

%utta Tv'E O!30R '*1CN l

lij7l l0 l 0 l 0 l@l Z l@l NA l

2

.EascNNs'LbNypits 3 3 PiPTiCNh NLeela OEs:

li i a l 1010 ! 0 I@l NA l

to 7

3 3 11 12 L0ss Cp on cauaCE TO FA0!L;TV TV'E OE50AiPT10N l1 I 9 l !.E lh!

NA 30 t

7 4 9

?Q NRC t;SE CNLY l

• ' euC:Tv l$;

12 i o l I N l@OESCRI'*'CN

ssuto l

NA l

lllIillll l Il 68 69 3C T.

I 7

3 3 13

/

(315) 342-3st.0 x207 e

L 8102180 /t)f v. veTne childs