ML20004C687
| 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:
|
| References | |
| LER-81-044-03L, LER-81-44-3L, NUDOCS 8106040503 | |
| Download: ML20004C687 (2) | |
Text
, seRC PORA8JOS .
U.8. NUCLEAR EEGULATORY COMM18880N y.ns - '
l.lCENSEE EVENT REPORT
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CONTROL SLOCK: l l l l l l
@ (PtataE PRINT OR TYPE Au. REQUIRED INPORMATION)
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i ee ucansea coos i* is ucamssNu esa 2e con r l
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- e so si occxtrNuussR es se EvsNT oars 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 -
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l o 17 l l on RWST low level but its actuation is checked in aoolicable emergency orocedures ( ,
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' '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 @ - 19 20 7 8 9 iG- i, 32 is i8
, SEQUEtJTiAL oCCURREMf! REPORT REVi$loN tggfqq EVENTYEAR REPORT No. CooE TYPE No.
@ ,af,g I1, 811l l-l 10 14 l4 l ,l /l l 0l 3l lL l [,2 J l0l 22 22 24 28 27 28 29 30 22 CN P r M TH hours S8 i FoR 3. PPU R MANuFA RER l22c l@l2.21@ Iz l@ las zi@ 10 l010 lo l IY l@ l42N l@ lAl@ l4AF l 1 l 2 l 04, '@
t 2s se 40 4 42 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
, 2 I action was originally, but incorrectly, regorted to have taken place on 4/16/81 l
[ 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
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.. Attachment To LER' 81-44/03L
' Beaver Valley Power Station .
.Duquesne Light Company -
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.-Docket No'.-50-334 l
-1 No further information is available or needed to satisfy the reporting i requirement.
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