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Forwards Rev 1 to LER 86-033 re isolation of RWCU sys on high differential flow to clarify cause of event & to revise corrective actions.

Accession Number: ML20056G535

Date Released: Tuesday, March 10, 2020

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• ML20056G534 - Forwards Rev 1 to LER 86-033 re isolation of RWCU sys on high differential flow to clarify cause of event & to revise corrective actions. (1 page(s), 8/27/1993)
• ML20056G542 - LER 86-033-01:on 860705,RWCU sys isolated on high differential flow due to collapse of voids in piping,causing spike in RWCU inlet flow rate.Sys Procedure S44.4.A, "RWCU Sys Blowdown Using RWCU Recirculation Pumps" revised. (3 page(s), 8/27/1993)