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Forwards LER 92-016-01 re failure of emergency svc water check valves to seat due to accumulation of silt.Evaluation will be performed to determine feasibility of replacing check valves ESW-13 & ESW-14.

Accession Number: ML20035H463

Date Released: Tuesday, December 1, 2020

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• ML20035H462 - Forwards LER 92-016-01 re failure of emergency svc water check valves to seat due to accumulation of silt.Evaluation will be performed to determine feasibility of replacing check valves ESW-13 & ESW-14. (1 page(s), 4/27/1993)
• ML20035H469 - LER 92-016-01:on 921107,two check valves in ESW sys failed to seat properly.Caused by accumulation of silt in ESW sys. Mod completed which allows flushing or isolation for repairs of svc water check valves during plant operation. (5 page(s), 4/27/1993)