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Forwards LER 93-004 re RWL & primary sys pressure sensors being out-of-TS tolerence.Event reported on 930709 as 4-hr reportable nonemergency event.Advises that unanalyzed or serious degradation of plant discovered while shutdown.

Accession Number: ML20046C505

Date Released: Friday, October 25, 2024

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• ML20046C504 - Forwards LER 93-004 re RWL & primary sys pressure sensors being out-of-TS tolerence.Event reported on 930709 as 4-hr reportable nonemergency event.Advises that unanalyzed or serious degradation of plant discovered while shutdown. (1 page(s), 8/5/1993)
• ML20046C520 - LER 93-004-00:on 930709,RWL & primary sys pressure found out-of-TS tolerence.Caused by diaphragm/spring failure & leaking sensing line valve respectively.Low RWL sensor LS-RE09G recalibr within TS required range. (4 page(s), 8/6/1993)