05000369/LER-1981-139-03, /03L-0:on 810812,loss of Water from Reactor Coolant Inventory Exceeded Tech Spec Limit for 4-h Period W/O Operations Knowledge.Caused by Failure to Isolate Reciprocating Charging Pump 1 Relief Valve Prior to Maint

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/03L-0:on 810812,loss of Water from Reactor Coolant Inventory Exceeded Tech Spec Limit for 4-h Period W/O Operations Knowledge.Caused by Failure to Isolate Reciprocating Charging Pump 1 Relief Valve Prior to Maint
ML20010G727
Person / Time
Site: McGuire 
Issue date: 09/09/1981
From: Nardoci P
DUKE POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20010G720 List:
References
LER-81-139-03L, LER-81-139-3L, NUDOCS 8109220458
Download: ML20010G727 (1)


LER-1981-139, /03L-0:on 810812,loss of Water from Reactor Coolant Inventory Exceeded Tech Spec Limit for 4-h Period W/O Operations Knowledge.Caused by Failure to Isolate Reciprocating Charging Pump 1 Relief Valve Prior to Maint
Event date:
Report date:
3691981139R03 - NRC Website

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12 t a i IWhile in mode 2, as a result of maintenance action, a loss of water from the y,.7., Reactor Coolant (NC) inventory in excess of 1 GPM occurred without Operations' io..) ; knowledge for about f'ur hours. This violates T.S. 3.4.7.2 which is reportable; istel (pursuant to T.S.6.9.1.13(b). The drainage from the volume control tank never p 1;resulted in an unacceptable level of water in the tank, and did not seriously 12 i 7 ! Le*gallenne the Automafic Makeup System. Since at no time was the inventory of waterintheNCSystemreducedorthreatened,thehealth&safetyofthepubliy

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