05000334/LER-1980-043-03, /03L-0:on 800605,one Source Range Channel Was Lost.Caused by High Voltage Power Supply Failure.New Power Supply Installed & Tested Successfully

/03L-0:on 800605,one Source Range Channel Was Lost.Caused by High Voltage Power Supply Failure.New Power Supply Installed & Tested Successfully

ML19320B128
Person / Time
Site:	Beaver Valley
Issue date:	07/02/1980
From:	Lacey W DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19320B124	List: 05000334/LER-1980-043, Forwards LER 80-043/03L-0 05000334/LER-1980-043-03, /03L-0:on 800605,one Source Range Channel Was Lost.Caused by High Voltage Power Supply Failure.New Power Supply Installed & Tested Successfully
References
LER-80-043-03L, LER-80-43-3L, NUDOCS 8007090338
Download: ML19320B128 (1)

LER-1980-043, /03L-0:on 800605,one Source Range Channel Was Lost.Caused by High Voltage Power Supply Failure.New Power Supply Installed & Tested Successfully

Event date:
Report date:
3341980043R03 - NRC Website

text

e NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION y,

(7 77)

LICENSEE EVENT REPO8T

~

CONTROL BLOCC l l

l l

l l

lh (PLE ASE PRINT OR TYPE ALL REQUIREO INFORMATIONI l a l i l l P l A l 3 l V l S 11 l@l 0 10 l-l 0 10 l 0 l 0 l 0 l-l 0 l 0 l@l 4 11 l1 11 il l@l l

l@

6 9 LICENSEE CODE 14 15 LICENSE NUMSER 43

6 LICE NSE TY PE J'J 57 CATsd t

OOAl'T 33"c; i t !@l 0 l 5 t o 1010 t 313 l a l@l 01610 l s i s l 0 !@l0 17 lo 12 i s 10 l@

lol11

?

4 60 61 DOCK ET NWSE A r>3 6)

EV ENT CATE

~4 75 Ai20AT RATE sJ EVENT OESCRIPTION AND PAOB AGLE CONSEQUENCES h I o l 2 ! l Loss of one source range channel due to failed high voltage power supply. This l

l0!3!jevent is of minimal consequence because only one source range channel is needed in l

lo!4llthis mode of operation and the other source range channel was in service.

I I

l o 15 ! !

1 lo is 11 I

10 !71 l l

1aisi l 80 7

3 3 SYSTEM

CAUSE

CALSE COY 7-VALVE CCCE COOE SUSCODE CQYPONENT CODE SUSCCCE SuSCOOE 10101 I c l a l@ i s l@ l A l@.l1 lN l S l T l R l U l@ l P l@ l Z l@

7 8

9 l0 11 12 13 16 19

0 Sect E NTI AL OCCU A R E NCE REPORT REVl$lON LE EVENT YE4R R EPORT NO.

CCOE TYPE NO.

h y"'A 20 l8 l0 l l-l l 0 14 ! 3 l l/l 1013 l lL [.

l-l l 0l

.jg

-. v

2 22

4

s u

n n

a v

cOvpcygsy Ppiv,t ;;,c.jpE..

uaNegACTu2E.

A,CT'O N FUTUAE EF5EOT s e.*u t oCvira A m ; m ENT p a g.4

.AsEN ACTi:N cN Pur.T vet-co

- etas g

tavi E3 us u ss.

lA l@l Zl@

l 7. l@

l Z l@

l010l010l l N l@

l ': i@

l ': l@

l Pl 3l 2l 3l@

d 43

+6 J/

40 41 42 43 44 47 CAUSE OESCRiPT:ON AND CORRECTIVE ACTIONS 27 lt ;a1lHigh voltage power supply failed.

A new power supply was installed and the source j

1il1 j lrance channel tested successfully.

Both source range and intermettate ranee cover

]

l, i 1l supplies have failed previously.

I Iii?j l I

12 64 !!

80 7

3 3

• 9 0 /JE A CTwER STATUS O5 0

=Y O'SCOV ERY DE:iCR P':CN ST s

I1 i 5 l l H l@ l0 (0 l0 l@l Desien j

l A l@l Operator observation l

7 t ?

13 12 11 mod 11lCaClon J4 45 46 83 ACTiviTv C:nTEsT outa e AELEASED OFaELEASE AVOUNT ACTIViTv LOCAT:CN CF AELEJ SE l1 l6l l 2 l 2 fi l

N/A l

S/A s 1 8C 11 44 45 E0 PE 4 SON'.EL F 4 POSLHE5 NUYMEA TYPE OESCPtPTION l i ! 71 10 ! O I O l@l Z l@l N/A l

7 3 4 11 12 13 dJ 8!'TSONNEL i :JLdiE S W.* S E A OESCRIPT'CN I !-l 0 I 0 ! 0 @l N/A 20 3

3-It 12 LC15 OF OR D AV A'1E T3 C ACILITV fvPE Oi:C viAT:CN lt {9j W @l N/A l

r s,

u PueuCity sac usc cNtv

!",U F O OESCAiPTION y

1.!,1L!i)81 N/A I

Ii'I'II'l'!'if 63 69 Eb I 7

& 2

D w. S. 1.aeey

12-u3-i25s 60 0 7 0 90 ggo"aE=e "ER g y.,