05000271/LER-1980-043-03, /03L-0:on 801220,reactor Core Isolation Cooling Valve 15 Had Seat Leakage of 1.531 Lbm/Hr,Exceeding Tech Specs.No Cause Noted.Valve Seating Surfaces Lapped & Valve Retested

/03L-0:on 801220,reactor Core Isolation Cooling Valve 15 Had Seat Leakage of 1.531 Lbm/Hr,Exceeding Tech Specs.No Cause Noted.Valve Seating Surfaces Lapped & Valve Retested

ML19341A254
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	01/16/1981
From:	Murphy W VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19341A253	List: 05000271/LER-1980-043, Forwards LER 80-043/03L-0 05000271/LER-1980-043-03, /03L-0:on 801220,reactor Core Isolation Cooling Valve 15 Had Seat Leakage of 1.531 Lbm/Hr,Exceeding Tech Specs.No Cause Noted.Valve Seating Surfaces Lapped & Valve Retested
References
LER-80-043-03L, LER-80-43-3L, NUDOCS 8101220462
Download: ML19341A254 (1)

LER-1980-043, /03L-0:on 801220,reactor Core Isolation Cooling Valve 15 Had Seat Leakage of 1.531 Lbm/Hr,Exceeding Tech Specs.No Cause Noted.Valve Seating Surfaces Lapped & Valve Retested

Event date:
Report date:
2711980043R03 - NRC Website

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8 60 61 OOcKET NUMSER 68 69 tvENT oATg 74 75 REPORT oATE do EVENT DESCRIPTION ANO PROBABLE CONSEQUENCES h l o 12 l l While performing the Type C Leak Rate Testing, RCIC -15 was found to have seat i

1 o 131 11eakane of 1.531 lbm/hr which is in excess of Tech. Spec. Sec. 4.7. A.4. Since a i

lotalIsecond valve in the line provided containment isolation, there were no adverse l

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