ML19351F529

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LER 80-107/03L-0:on 801206,electrolyte for Detectors 101A & 101B Found Not Dripping.Caused by Clogged Wick & Glass Orifice.Wick & Orifice Cleaned & Top Vent Filter Loosened
ML19351F529
Person / Time
Site: Beaver Valley
Issue date: 01/05/1981
From: Lacey W
DUQUESNE LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19351F522 List:
References
LER-80-107-03L, LER-80-107-3L, NUDOCS 8101130432
Download: ML19351F529 (2)


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80 el cocKErNuwetR e8 et tvtNr oArt 34 is atPoRr oArt EVENT DESCRIPTION AND PROeAeLE CONSEQUENCES bio g o 121 l t.*hile conducting a redundant channer check for removal from service of the 101C  ;

g l chlorine detector for surveillance testing, it was discovered that the 101A and 101B; g [ detectors' electrolyte was not dripping. Both detectors were declared out of l

[oTT'l I service and the 101A detector was tripped. The Control Room Ventilation System was g g i isolated from outside air in accordance with Technical Specification 3.3.3.7. This l IoTTl I w1s the eighth failure of this type at BVPS. l o a i l ao ee N YoE su$cEs CouponaNr Coof sus "o'o'E s E t,ojp]. i s I c l@ La J@ La J@ I t l x i s I T I n l u i@ i t l@atz.j g

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CAUSE OESCRIPTION ANO CORRECTIVE ACTIONS @

i l i g o l l The fluid tank was dauer a slight vacuum and the wick and glass orifice were  ;

i i l cloeged. The wick and orifice were cleaned and the top vent filter was loosened. l

. 2 1 Engineering has been requested to evaluate this system due to the repeated l g I failures. l I

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NAME OF PREPARER

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t f Attachment To LER 80-107/03L

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