05000313/LER-1981-010-03, /03L-0:on 810804,during Calibr,Reactor Protective System Channel B Scaled Difference in Amplifier Gain Setting Differed from Value in Power Escalation Test.Caused by Incorrect Pentiometer Adjustment.Procedure Revised

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/03L-0:on 810804,during Calibr,Reactor Protective System Channel B Scaled Difference in Amplifier Gain Setting Differed from Value in Power Escalation Test.Caused by Incorrect Pentiometer Adjustment.Procedure Revised
ML20010H961
Person / Time
Site: Arkansas Nuclear 
Issue date: 09/03/1981
From: Shively C
ARKANSAS POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20010H945 List:
References
LER-81-010-03L, LER-81-10-3L, NUDOCS 8109290450
Download: ML20010H961 (1)


LER-1981-010, /03L-0:on 810804,during Calibr,Reactor Protective System Channel B Scaled Difference in Amplifier Gain Setting Differed from Value in Power Escalation Test.Caused by Incorrect Pentiometer Adjustment.Procedure Revised
Event date:
Report date:
3131981010R03 - NRC Website

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i dif ference in amplifier gain setting was found to be different from the I value installed during power escalation test, during fuel cycle 5 startup4 o.

pqT) l The NI-6 Imbalance trip setpoints would have been non-conservative. he I l remainitin 3 RPS Channels were not affected, channinn the 2/4 to 2/3 l

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