05000317/LER-1979-036-03, /03L-0 on 790812:during Surveillance Test,Wide Range Nuclear Instrument Channel D Would Not Indicate Properly While in Calibr Mode.Apparently Caused by Bad Connection in Test & Power Cables.Connector Replaced

/03L-0 on 790812:during Surveillance Test,Wide Range Nuclear Instrument Channel D Would Not Indicate Properly While in Calibr Mode.Apparently Caused by Bad Connection in Test & Power Cables.Connector Replaced

ML19208A309
Person / Time
Site:	Calvert Cliffs
Issue date:	09/11/1979
From:	Davis S, Rizzo P BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19208A302	List: 05000317/LER-1979-036, Forwards LER 79-036/03L-0 05000317/LER-1979-036-03, /03L-0 on 790812:during Surveillance Test,Wide Range Nuclear Instrument Channel D Would Not Indicate Properly While in Calibr Mode.Apparently Caused by Bad Connection in Test & Power Cables.Connector Replaced
References
LER-79-036-03L, LER-79-36-3L, NUDOCS 7909130351
Download: ML19208A309 (1)

LER-1979-036, /03L-0 on 790812:during Surveillance Test,Wide Range Nuclear Instrument Channel D Would Not Indicate Properly While in Calibr Mode.Apparently Caused by Bad Connection in Test & Power Cables.Connector Replaced

Event date:
Report date:
3171979036R03 - NRC Website

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8 60 61 DOCK ET NUV8ER 68 69 EVENT DATE 74 75 REPORT OATE 80 EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h 10121 At 0105 while oerformina a surveillance test it was discovered that wide rance I

l nuclear instrument (WRNI) channel 0 would not indicate crocerly while in cali-a 3

t l bration mode. WRNI channel D was declared inoperable per T.S.3.3.1.1 action 2.

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[ o j sl lWRNI Channel D was returned to service at 0820. The three redundant URNI channels i

] re: ained cocrable during the event. This is not a recetitive occurrence.

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