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Forwards LER 93-009-00 re unplanned closure of containment isolation valve.Event determined to be reportable on 930721 after discussion w/Region III staff & that 4-h ENS notification under 10CFR50,Section 50.72 not appropriate.

Accession Number: ML20046C775

Date Released: Saturday, February 29, 2020

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• ML20046C774 - Forwards LER 93-009-00 re unplanned closure of containment isolation valve.Event determined to be reportable on 930721 after discussion w/Region III staff & that 4-h ENS notification under 10CFR50,Section 50.72 not appropriate. (1 page(s), 8/5/1993)
• ML20046C779 - LER 93-009-00:on 930715,receipt of annunciator Charging Pump 12 overload trip observed by CR operators,resulting in unplanned closure of containment isolation valve.Standby charging pump started immediately. (3 page(s), 8/5/1993)