05000368/LER-1979-013-03, /03L-0 on 790127:control Element Assembly Cluster (Ceac) Deviation Alarms Received.Caused by Disturbance of Ceac Cable Connections

/03L-0 on 790127:control Element Assembly Cluster (Ceac) Deviation Alarms Received.Caused by Disturbance of Ceac Cable Connections

ML19282A781
Person / Time
Site:	Arkansas Nuclear
Issue date:	02/26/1979
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19282A780	List: 05000368/LER-1979-012-03, /03L-0 on 790127:core Protection Computer Channel B Failed,Resulting in Trips.Caused by Analog High Level Amplifier Card Improperly Seating in Connector.Card Reseated & Functional Test Conducted 05000368/LER-1979-013-03, /03L-0 on 790127:control Element Assembly Cluster (Ceac) Deviation Alarms Received.Caused by Disturbance of Ceac Cable Connections 05000368/LER-1979-014-03, /03-0 on 790127:plant Protection Sys C Containment Bldg Pressure Transmitter 2PT-5603-3N Failed, Causing Hi & Hi-Hi Containment Pressure Trips.Caused by Loose Output Connection,Which Was Subsequently Reconnected ML19282A779
References
LER-79-013-03L, LER-79-13-3L, NUDOCS 7903060483
Download: ML19282A781 (1)

LER-1979-013, /03L-0 on 790127:control Element Assembly Cluster (Ceac) Deviation Alarms Received.Caused by Disturbance of Ceac Cable Connections

Event date:
Report date:
3681979013R03 - NRC Website

text

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Iharirn'. Power liscalation Testing,, Mode 1 operation, E AC deviation g

alarms were received. Channel cheeks were performed, verifying' fu.)L l

J WJL that no real deviation existed, and the aAC INOP flar,s were set in Eig L all operable CPC's.

This occurrence is similar to 1.ER 50-368/79-001 [11'Mi and 78-20.

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cable connections in the CEAC 1 were disturbed causing CEAC [ry-) I deviation alarms.

ChAC ISOP flap were re r. e t fol low ing CPC "li"

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repair.

Requirements of Action Statement T,5.3.3.1.1, Table 3.3-1 [i }.j t

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nave cF roc,.un g, Chris N. Shively 501/968-2519 79030604G