05000325/LER-1980-014-03, /03L-0:on 800214,while Performing Suppression Pool High Water Channel Functional Test,Manual Isolation Valve on Low Side of 1E41-LSH-N015A Was Found Closed.Cause Not Known.Valve Reopened

/03L-0:on 800214,while Performing Suppression Pool High Water Channel Functional Test,Manual Isolation Valve on Low Side of 1E41-LSH-N015A Was Found Closed.Cause Not Known.Valve Reopened

ML19305A861
Person / Time
Site:	Brunswick
Issue date:	03/13/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19305A858	List: 05000325/LER-1980-014, Forwards LER 80-014/03L-0 05000325/LER-1980-014-03, /03L-0:on 800214,while Performing Suppression Pool High Water Channel Functional Test,Manual Isolation Valve on Low Side of 1E41-LSH-N015A Was Found Closed.Cause Not Known.Valve Reopened
References
LER-80-014-03L-01, LER-80-14-3L-1, NUDOCS 8003180511
Download: ML19305A861 (2)

LER-1980-014, /03L-0:on 800214,while Performing Suppression Pool High Water Channel Functional Test,Manual Isolation Valve on Low Side of 1E41-LSH-N015A Was Found Closed.Cause Not Known.Valve Reopened

Event date:
Report date:
3251980014R03 - NRC Website

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- 61 DOCKET NUf/SER 68 69 EVENT OATE 74 75 REPORT DAT E 80 EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h l O 121 l While performing PT 3.1.11P, Suppression Pocl High tJater Channel Functional Test, l

the manual isolation valve on the low side of IE41-LSH-N015A was found closed.

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LER CONTINUATION - RO NO. 1-80-14 Facility: BSEP Unit No. 1.

Event Date: February 14, 1980 The' valve in question is located on the wall of the drywell about 25' off the I

floor from the -17' elevation.

The. valve was known to be open on January 18, 1980, when the PT was last performed.

if the valve had been closed, the PT could not-have passed. A discussion with I&C technicians and Operations per-sonnel could determine no reason for the valve being shut, as neither had operated it.

A review of trouble tickets and other maintenance documents could find no evidence of any maintenance that would necessitate the closing of this valve.

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