05000298/LER-1980-011-03, /03L-0:on 800418,check Valves Upstream of Accumulators Had Excessive Back Leakage.Caused by BUNA-N Seat Embrittlement Due to Age.Check Valve Seats Replaced W/Ethylene Propylene Matl.Valves Bench Tested

/03L-0:on 800418,check Valves Upstream of Accumulators Had Excessive Back Leakage.Caused by BUNA-N Seat Embrittlement Due to Age.Check Valve Seats Replaced W/Ethylene Propylene Matl.Valves Bench Tested

ML19323F224
Person / Time
Site:	Cooper
Issue date:	05/12/1980
From:	Converse W NEBRASKA PUBLIC POWER DISTRICT
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19323F221	List: 05000298/LER-1980-011, Forwards LER 80-011/03L-0 05000298/LER-1980-011-03, /03L-0:on 800418,check Valves Upstream of Accumulators Had Excessive Back Leakage.Caused by BUNA-N Seat Embrittlement Due to Age.Check Valve Seats Replaced W/Ethylene Propylene Matl.Valves Bench Tested
References
LER-80-011-03L, LER-80-11-3L, NUDOCS 8005280671
Download: ML19323F224 (1)

LER-1980-011, /03L-0:on 800418,check Valves Upstream of Accumulators Had Excessive Back Leakage.Caused by BUNA-N Seat Embrittlement Due to Age.Check Valve Seats Replaced W/Ethylene Propylene Matl.Valves Bench Tested

Event date:
Report date:
2981980011R03 - NRC Website

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