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Forwards LERs 80-090/03L-0,80-091/03L-0,80-092/03L-0, 80-093/03L-0 & 80-103/03L-0.

Accession Number: ML19351E953

Date Released: Tuesday, December 31, 2019

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• ML19351E952 - Forwards LERs 80-090/03L-0,80-091/03L-0,80-092/03L-0, 80-093/03L-0 & 80-103/03L-0. (2 page(s), 12/12/1980)
• ML19351E955 - LER 80-090/03L-0:on 801112,two of three chlorine detectors failed surveillance tests.Caused by dirt on wicks & glass orifices preventing flow of electrolyte.Detectors cleaned & returned to svc. (2 page(s), 12/12/1980)
• ML19351E957 - LER 80-091/03L-0:on 801113,sampling of boron injection tank indicated low boron concentration.After adding 100 lbs of boron,high concentration indicated.Low concentration thought to be caused by inleakage through isolation valves. (2 page(s), 12/12/1980)
• ML19351E960 - LER 80-092/03L-0:on 801114,radiation monitor,RM-LW-104, alarmed high,cleared,then realarmed.Caused by failure of printed circuit board,making high alarm input to control room annunciator inoperable.Printed circuit board replaced. (2 page(s), 12/12/1980)
• ML19351E962 - LER 80-093/03L-0:on 801116,during surveillance test on fire protection sys,timer in west cable vault found defective. Fire watch posted & defective timer replaced. (2 page(s), 12/12/1980)
• ML19351E964 - LER 80-103/03L-0:on 801203,boron injection tank determined to be out of spec high.Plant shutdown initiated & tank diluted.Caused by temp controllers for tank set too high. Temp controllers set to lower temp. (2 page(s), 12/12/1980)