05000369/LER-1981-090-03, /03L-0:on 810530,while Entering Mode 3,S/G 1B Wide Range Level Instrumentation Pegged High.Caused by Equalizer Valve on Transmitter 1CFLT5620 Valving Open,Resulting in Drained HP Ref Leg.Valve Closed & Leg Filled

/03L-0:on 810530,while Entering Mode 3,S/G 1B Wide Range Level Instrumentation Pegged High.Caused by Equalizer Valve on Transmitter 1CFLT5620 Valving Open,Resulting in Drained HP Ref Leg.Valve Closed & Leg Filled

ML20009G114
Person / Time
Site:	McGuire
Issue date:	06/25/1981
From:	Nardoci P DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009G105	List: 05000369/LER-1981-090, Forwards LER 81-090/03L-0.Detailed Event Analysis Encl 05000369/LER-1981-090-03, /03L-0:on 810530,while Entering Mode 3,S/G 1B Wide Range Level Instrumentation Pegged High.Caused by Equalizer Valve on Transmitter 1CFLT5620 Valving Open,Resulting in Drained HP Ref Leg.Valve Closed & Leg Filled
References
LER-81-090-03L, LER-81-90-3L, NUDOCS 8108030339
Download: ML20009G114 (1)

LER-1981-090, /03L-0:on 810530,while Entering Mode 3,S/G 1B Wide Range Level Instrumentation Pegged High.Caused by Equalizer Valve on Transmitter 1CFLT5620 Valving Open,Resulting in Drained HP Ref Leg.Valve Closed & Leg Filled

Event date:
Report date:
3691981090R03 - NRC Website

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@l the S/G "1B" wide rcnge level instrumentation had been pegged high. Hence, I the shift supervisor declared the instruments inoperable per Technical Speci g o A ITITI I M en H nn 1.3.3.5 which is reportable per Technical Specification 6.9.1.13(b).i ITTi~l i This was similar to previous LER/R0 81-048/03L-0.

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