05000368/LER-1981-006-03, /03L-0:on 810204,containment Sump Level Indicator 2LI-5645-1 Was Declared Inoperable.Caused by Defective Converter.Converter Replaced

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/03L-0:on 810204,containment Sump Level Indicator 2LI-5645-1 Was Declared Inoperable.Caused by Defective Converter.Converter Replaced
ML20008E930
Person / Time
Site: Arkansas Nuclear 
Issue date: 03/03/1981
From: Pendergraft R
ARKANSAS POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20008E922 List:
References
LER-81-006-03L, LER-81-6-3L, NUDOCS 8103100519
Download: ML20008E930 (1)


LER-1981-006, /03L-0:on 810204,containment Sump Level Indicator 2LI-5645-1 Was Declared Inoperable.Caused by Defective Converter.Converter Replaced
Event date:
Report date:
3681981006R03 - NRC Website

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EVENT DESCR)flON AND PROBASLE CONSEQUENCES h 1o 121 IDurina Mode 1 operation, while at 88% full oower (redatced_ power due to i

icondenser tube leaks) Containment Sump Level Indicator 2LI-5645-1 was i

numi Io la i Ideclared inoperable.

The Sigma indicator read less than 0.0% and the 1

ipower on light was out. The redundant indicator 2LI-5646-2 remained i

o s o o loperable. This occurrence is similar to LER's 50-368/79-079 and 79-097.

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lInvestigation revealed a defective converter for 2LI-5645-1 caused the i

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' level Indicator to be inoperable.

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i rrm Isystem calibration was perfonned on 2LI-5645-1. The level indicator Iwas returned to operable status meeting the requirements of Action I

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