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Forwards LER 98-011-01 re ECCS being outside design basis due to gas voiding in suction piping.Rev provides causes, updated corrective actions & completed analysis of event. Changes are marked by rev bars in margin.

Accession Number: ML16342A860

Date Released: Tuesday, February 28, 2017

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• ML16342A859 - Forwards LER 98-011-01 re ECCS being outside design basis due to gas voiding in suction piping.Rev provides causes, updated corrective actions & completed analysis of event. Changes are marked by rev bars in margin. (6 page(s), 7/23/1999)
• ML16342A861 - LER 98-011-01:on 981116,determined that ECCS was outside of design basis due to gas voiding in suction piping.Caused by air trapped in sys during outage conditions.Procedures will be revised to improve filling & venting methods. (32 page(s), 7/23/1999)