05000334/LER-1981-044-03, /03L-0:on 810430,refueling Water Storage Tank Channel C Level Indicator Found Reading High.Caused by Level Transmitter.Transmitter Replaced.Corrective Action Incorrectly Reported to Have Taken Place 810416

/03L-0:on 810430,refueling Water Storage Tank Channel C Level Indicator Found Reading High.Caused by Level Transmitter.Transmitter Replaced.Corrective Action Incorrectly Reported to Have Taken Place 810416

ML20004C687
Person / Time
Site:	Beaver Valley
Issue date:	05/29/1981
From:	Lacey W DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20004C685	List: 05000334/LER-1981-043-03, /03L-0:on 810429,while Performing Routine Maint Surveillance Procedure on Containment Pressure Instrument, Comparator Module Reported Inoperable.Caused by Loosened Fuse.Fuse re-engaged.Channel Restored to Svc 05000334/LER-1981-044-03, /03L-0:on 810430,refueling Water Storage Tank Channel C Level Indicator Found Reading High.Caused by Level Transmitter.Transmitter Replaced.Corrective Action Incorrectly Reported to Have Taken Place 810416 ML20004C684
References
LER-81-044-03L, LER-81-44-3L, NUDOCS 8106040503
Download: ML20004C687 (2)

LER-1981-044, /03L-0:on 810430,refueling Water Storage Tank Channel C Level Indicator Found Reading High.Caused by Level Transmitter.Transmitter Replaced.Corrective Action Incorrectly Reported to Have Taken Place 810416

Event date:
Report date:
3341981044R03 - NRC Website

text

U.8. NUCLEAR EEGULATORY COMM18880N

, seRC PORA8JOS y.ns -

(]

l.lCENSEE EVENT REPORT V.

CONTROL SLOCK: l l

l l

l l

(PtataE PRINT OR TYPE Au. REQUIRED INPORMATION)

, @ lP l A j 3 [V l S l1 l@l 0 l0 l-l 0 l0 l0 l0 l0 l-l010 l@{4 l1 l1 l111 l@ls7 car se @

l l

i ee ucansea coos i*

is ucamssNu esa a

2e ucausa ryes a con r di_j g l L l@l 015 l 010 l0 l 3 l 3 l 4 l@l 0 l 4 l 3 l 0 l 8 l 1l@l 015,12l 9l 81 1l@

e so si occxtrNuussR es se EvsNT oars 14 75 RMT LeArE 80 EVENTDESCRIPTION ANO PROSASLE CONSEQUENCES to ITTTT I At 0050 hours5.787037e-4 days <br />0.0139 hours <br />8.267196e-5 weeks <br />1.9025e-5 months <br />, the Refueling Water corage Tank (RWST) Charnel C level indicator wasl g ; found reading high. It was declared inoperable and power operation continued as pert in imi ; Technical specification 3.3.2.1.

The public health and safety was not jeopardized I

' i~o 1 s 1 l since sufficient redundant channels were available for auto safety injection'

- l g l transfer. Train A quench spray flow reduction valve {MOV-OS-103Al would be disabled 1

\\

l o 17 l l on RWST low level but its actuation is checked in aoolicable emergency orocedures

(

)

' 'I o 6 e 1 I and closing is possible by using its control svitsh.

I Ea" TcT[

st$$e couroNENT CcDa.

sus c'E S

E g

[S lF l@ y@ lE l@ lI lN lS lT lR lU [@ l Tl@ l zj @

7 8

9 iG-i, 32 is i8

- 19 20 SEQUEtJTiAL oCCURREMf!

REPORT REVi$loN tggfqq EVENTYEAR REPORT No.

CooE TYPE No.

@,af,g I 811l l-l 10 14 l4 l

,l /l l 0l 3l lL l

[, J l0l 1,

22 22 24 28 27 28 29 30 2

22 CN P r

M TH hours S8 i FoR 3.

PPU R MANuFA RER l c l@l 21@

Iz l@

l zi@

10 l010 lo l IY l@

l N l@

lAl@

l F l 1 l 2 l 0 '@

t 22 2.

2s as se 40 4

42 42 4A 4,

CAUSE DESCRIPTION AND CORRECTIVE ACTIONS l i g o ; [The cause for the faulty indication was traced to the level transtaitter.

It was I

g l replaced and the channel was returned to service at 2150 hours0.0249 days <br />0.597 hours <br />0.00355 weeks <br />8.18075e-4 months <br />. This corrective t

I action was originally, but incorrectly, regorted to have taken place on 4/16/81 l

, 2

[ g l (LER 81-36/03L). The action taken at that time was a recalibration of the level l

~ iii4i 1 indicator.

I fr a9 so oTNERsTArus b 5's"ecSSSv' oiscovtRv oEscRirTioN @

'si*2'E r

s PowtR

[ l1 l5 l l El@ l 1l 0l 0l@l N/A l

l Bl@l Surveillance log reading l

l

' EriviTv Co'0 RENT tecAnoN or REtzAsE h AucuNTon AcTiviTv @ l-l N/A l

A i

cEi.sAsto en RELEASE [lil5llzl@ J @l N/A PER$v... - expos ES NUweER TYPE

DESCRIPTION

. ltl7l 0l0l0l@ W @l N/A l

PER5oNNEL INJURIES NUM8ER DE10RIPTioN

,FiTil10lcIOl@l N/A l

ii

,2

.0

!r

'S*E "is^c"^,Vo'? '" @

i [li191IzI@l N/A l

7 8 9 iO go

""i $ ",'[, y }

b[

N/A 81060.40503

_j i,,

[

o F

S 9 10 68 69

30. ;

v* S* L#E*Y 412-643-8525 o

PHONE:

NAMh 0F PREPARER l

., l.._.

-.-....--.,..---,...--...-_-....-...,...--._.L

l j

r Attachment To LER' 81-44/03L

' Beaver Valley Power Station

.-Docket No'.-50-334

' ~)

.Duquesne Light Company l

- 1 No further information is available or needed to satisfy the reporting i

requirement.

+

e aO' O"

g a O

e e

4 9

e O

s e

s 4-e O

i l

t l

L i-l l

{'

.g.r ' "' *

• TM~

T

- 3 5,-

- y,y.

g,

nr.

6

,S.,,,

~,