05000317/LER-1979-044-03, /03L-0:on 790913,water Leak Discovered Coming from Cracked Weld on Reactor Coolant Charging Pump Discharge Relief Valve Flange.Caused by Pinhole Crack in heat-affected Zone of Socket Weld.Valve Replaced

/03L-0:on 790913,water Leak Discovered Coming from Cracked Weld on Reactor Coolant Charging Pump Discharge Relief Valve Flange.Caused by Pinhole Crack in heat-affected Zone of Socket Weld.Valve Replaced

ML19209A106
Person / Time
Site:	Calvert Cliffs
Issue date:	09/27/1979
From:	Legiewski J, Miernicki M BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19209A104	List: 05000317/LER-1979-044, Forwards LER 79-044/03L-0 05000317/LER-1979-044-03, /03L-0:on 790913,water Leak Discovered Coming from Cracked Weld on Reactor Coolant Charging Pump Discharge Relief Valve Flange.Caused by Pinhole Crack in heat-affected Zone of Socket Weld.Valve Replaced
References
LER-79-044-03L, LER-79-44-3L, NUDOCS 7910020368
Download: ML19209A106 (1)

LER-1979-044, /03L-0:on 790913,water Leak Discovered Coming from Cracked Weld on Reactor Coolant Charging Pump Discharge Relief Valve Flange.Caused by Pinhole Crack in heat-affected Zone of Socket Weld.Valve Replaced

Event date:
Report date:
3171979044R03 - NRC Website

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60 61 DOCK ET NUMBER 68 69 EVENT DATE 14 75 RE, ORT DATE 80 EVENT OESCRIPTION AND PROB A8LE CONSEQUENCES h 1During normal operation the plant operator discovered a water leak from a I

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l cracked weld on 12 reactor coolant charging pump discharge relief valve flange.

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3 lThe pump was incediately removed from service and the leak isolated. Two I

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