05000298/LER-1980-017-03, /03L-0:on 800618,during Surveillance Testing of HPCI Steam Line Low Pressure Instruments,Hpci Steam Supply Was Isolated Leaving Sys Inoperable.Probably Caused by Failure of Pressure Switch HPCI-PS-68B

From kanterella
(Redirected from ML19344B333)
Jump to navigation Jump to search
/03L-0:on 800618,during Surveillance Testing of HPCI Steam Line Low Pressure Instruments,Hpci Steam Supply Was Isolated Leaving Sys Inoperable.Probably Caused by Failure of Pressure Switch HPCI-PS-68B
ML19344B333
Person / Time
Site: Cooper Entergy icon.png
Issue date: 07/16/1980
From: Converse W
NEBRASKA PUBLIC POWER DISTRICT
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19344B330 List:
References
LER-80-017-03L, LER-80-17-3L, NUDOCS 8008260628
Download: ML19344B333 (1)


LER-1980-017, /03L-0:on 800618,during Surveillance Testing of HPCI Steam Line Low Pressure Instruments,Hpci Steam Supply Was Isolated Leaving Sys Inoperable.Probably Caused by Failure of Pressure Switch HPCI-PS-68B
Event date:
Report date:
2981980017R03 - NRC Website

text

I s.

FOIM 366 U. S. NUCLEAR KEGUL ATO%Y COMMISSION A a;77)

UCENSEE EVENT REPORT CONTROL SLOCK: l l

l l

l l jh (PLEASE PRINT OR TYPE ALL REQUIREO INFORMATION) t 6

IO Iii l Nl El Cl Pl Rl 1l@l Ol 0l - l 0 l 0 l 0 l 0l -l Ol Ol Ol@264l1l1 I illl@l I

l@

7 8 9 LICENSEE COOT 14 13 LICENSE NuuSEH 25 LICENSE TYPE 40 57 CAT $8 CON'T l.a.LJ ZRU l Ll@l015 l0 l 0 l 0 l 219 l 8 @l 0l 61 il 81 8l Ol@l n l 7 l 1l AI RI nl@

?

8 60 61 oOCK ET NUM8ER 68 69 EVENT DATE 74 75 REPORT oATE 80 EVENT OESCRIPTION AND PROBABLE CONSEQUENCES h f5TTI IDurina surveillance testina of HPCI stane line low nreanura innerumance-ch. upc7 i

g isteam supply was isolated leaving the system inoperable. All redundant core cooling 1 F5Tn Isystems were operable. There were no significant occurrences resulting from this I

fo isl levent and there were no adverse effects on the public health and safety. This event I I

o e lis repetitive.

l f o l 71 I l

10181 l 80 7

8 9 su'8S"[oE ss$oE

  • $o'[

'#"o*E sC$$E CouPONENT COoE C

C0 foITl lS lF l h W h U @ lIINI SI Tl RIU l @ l_Ej @ (_Zj h J

8 9

10 Il 11 13 IN l'J 20 SEOuE NTI AL OCCURRENCE REPOR T REVISION LE R< RO EVENTvtAR REPORT NO.

COoE TYPE NO.

@ aE g ;

I 81 01 l--J 1011171 1/l b 13 I It l l--J 101

,y

,21 22 23 24 26 27 28 29 30 31 32 TAK N A O

ON PLANT MET HOUR $

8 1 FOR 8

SUPPL MANUF C RER IZI@LA,j@

lZ l@

l Z l@

l010l01Ol (Y_j @

l l@

INl@

lB l0 16 19 l @

3J J4 35 36 37 40 el 42 43 44 47 CAUSE OESCRIPTION AND CORRECTIVE ACTIONS @

l i l o l Rhe probable cause of the occurrence van the fnilure of MPCI-PS-68B.

The nromnure l

tililIswitch is manufactured by Barksdale, Model B2T-M12SS. The switch has been renlaced.1 gIThe failure of the switch appears to be sticking contacts.

I I

W l I

U,,14j l 80 7

8 9 STA S

  • POWER OTHER ST ATUS 015 O RV DISCOVERY OESCRIPTION NA l

l,,,Aj@l,,fferational Event Durine Surv. Test.

I W [y,_j @ l Ol 91 3l @ l COOTENT wouNT OP ACriviTv @ l LOCATION OF RELEASE @

ACTIVITY 16 l M @o Or af tEAsfl_gj@l aELEAst NA l

'A J

lt 7

8 9 10 ft 44 45 80 PERSONNEL EItPOSURES NUMBER TYPE DE SCRIP TION

[ TIT} ]O l 0 l 0 l@[Z_j@l NA l

PE asON N d'.Nau'a'iEs oEsCRiPfiON@

NuuaE n I

It ini l 01010 l@l NA 80 i

N 9 it 17 fvPE ESC t PT ON l

W (Z,_j@l NA 80

/

M

'l 10 CitiPflON @

SO 08 26 0 f 2$

NRC USE ONt Y t

eJout[i@l i

III!IIIIIIIIl2

[,3, n

> o 68 69 80 = ;

/

4 9 to 402-825-3811 0

W. E. Converse NAVE OF PREPARER PHONE: