ML19351F387

LER 80-093/03L-0:on 801212,reactor Water Level Switch 02-3-DPIS-101D Exhibited Erratic Setpoint.Caused by Stripped Setpoint Lock Screw.Lock Screw Replaced & Switch Recalibr

ML19351F387
Person / Time
Site:	FitzPatrick
Issue date:	01/09/1981
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
ML19351F350	List: ML19351F349 ML19351F387
References
LER-80-093-03L, LER-80-93-3L, NUDOCS 8101120354
Download: ML19351F387 (1)

Text

e. Epa 9sa NRC FORM 366 (7 771 LICENSEE EVENT REPORT (v) CCNTROL BLCCC l l l l l  ! l (PLEASE rnINT OR TYPE ALL RECutRED INFORMATIONI e

(oltllN1Y]JlAl?lIgl15 i

0]0l-lOj0l0l0l-l0l0l0lgl4l1l1l1l1lgl7 26 ;6 UCENSE 'voE J0 l

5 CAT Sa lg 14 uCENSE NLYSEA 7 8 9 UCENSEE C005 CCN'T I0Itl 7 $

'*"E lL @l0l5l0l0l0l3l3l3 @l1 121112]810 @l0 11 1019 SL 60 61 CoCKET NLYSEa 68 69 EV ENT C ATg 74 75 AEPORT D ATE $3 EVENT CESCRIPTION AND PRCB ABLE CCNSECUENCES h TS Table 4.1-1, 1 During normal operation, while conducting surveillance recuired by

~

l o 121 l Surveillance [

Reactor water level switch 02-3-OPIS-101D exhibited erratic set point.

7 c ,3 ; ;

I on redundant switches 101 A, B and C was satisfactory and reactor protection system g g ,,)  ;

No significant hazard l 3 was placed in the tripped condition during repair work.

[g,3, ;

l

{ 0 i6 l l I

[0 i7 ! l I

so l a is ! i 00VP. VALVE

? $ 9 OAUSE CALSE SUBOO E SUE 00CE SYSTEV COYPCNENT OOOE COCE COCE SL9000E fo!3}

7 8 ll lA]h W h [ h ll lNISlTlRIUlh W h lZlh 9 10 11 12 SECUENT:AL 13 18 000048ENCE 19

• EPCRT 20 E EVfSIO N NC.

COOE TYPE

_ AE80RT NO.

gga m; EVENT YE A R 10 l 3 l lLl l-l [0_j

@ 4e;cy 1810 l l-l l Oi 913]26 l/l 27 23 23 30 31 32

.3 24 PRIVE COVP, COYPCNENT

_ 21 4.

A**A0wVENT N#404 VANLFAOPJRER ErrECT SMUTOCwN SL6VITTED PCP V 3L S. SLP8UER ACTf0N sursAE MCURS TMEN A;T:CN CN PLANT VETwCO l 0l 0l 0l lY ]Q lN j@ l B l 018 l 0l(

l33A lgl34Z lg 35 yg l36Zl@ 37 40 l lNl@

41 42 43 44 47 cAUSE CESCAPTION AND CCRRECTIVE ACTICNS @ l (strioced) set ooint lock screw. Peolace-ee titall The erratic resco'nse was due to a worn ]

of the lock screw and calibration restored the instrument to operable status later Additional satisfactory surveiliance on 12/16, 21, 29 and 1/9/81 j on the same day.

f , ! 21 I l

indicates that no additional action is required.

g 1

so ii i A 11

! aa ciSC vEav :ESORt*Tt09 @

"*C2E.7  %=cw?R CTwEmsTA us b$tE7Env l f ST ii t s i l E l@ l1 l 0 l012l@l11 NA l 44 lBlhl 45 46 Surveillance SO

• d 9 'O AC*tyl*v CONTINT LCCATICN CF 96 LEASE

• AMCUNT OF A*.,*:vITY l

1. ELE ASE, ap aELE ASE l NA NA l 5J li I s l I z l @) I10z i@l 11 44 45 7 3 9 PERSONNEL EXPOSLRES NLVEE4 TY8E OE50Rl8TtCN

• l l 1 l 7 } l 0 l 0 10 l@l Z j@l NA aEnSCNN E LbNJURI ES NtuSEA C ESC A t **1C N ]

NA 11 ! a l ] 0 l 0 l 0 l@l12 7 a 3 11

• LCSS OF CR OAV ACE TC 8 ACTUTV h TYPE OESOA6* TION b/  !

NA SG I i 191 12 l@lto ""C 'S' C""

3 3 8101120 3S T 5:uf

?" * @ NA I i l11111111IfI

( 2 ft 1o l I N i@$ESca mCN ."u l

to .- -

68 59 (315) 342-3840 n 07 ac