05000364/LER-1981-021-03, /03L-0:on 810606,overtemp-delta Temp Instrumentation Loop Trip Setpoint Failed to Meet Tolerance Requirements.Caused by Gain Potentiometer Being Out of Adjustment.Potentiometer Adjusted

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/03L-0:on 810606,overtemp-delta Temp Instrumentation Loop Trip Setpoint Failed to Meet Tolerance Requirements.Caused by Gain Potentiometer Being Out of Adjustment.Potentiometer Adjusted
ML20009G176
Person / Time
Site: Farley 
Issue date: 07/01/1981
From: Hairston W
ALABAMA POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009G169 List:
References
LER-81-021-03L-01, LER-81-21-3L-1, NUDOCS 8108030397
Download: ML20009G176 (1)


LER-1981-021, /03L-0:on 810606,overtemp-delta Temp Instrumentation Loop Trip Setpoint Failed to Meet Tolerance Requirements.Caused by Gain Potentiometer Being Out of Adjustment.Potentiometer Adjusted
Event date:
Report date:
3641981021R03 - NRC Website

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N 60 64 CCCKET NUMBER 68 69 EV ENT DATE 74 75 REPCRT OATE 80 EVENT DESCRIPTION AND PROSA8LE CONSECUENCES h

o 6 21 l At 2320 on 6/6/81, while performing FNP-0-STP-1.0 (Operations Daily and Shif t Surve111ancq

! o 13 l l Requirements), the overtemperature-delta temperature instrumentation loop associated with l loi4l l TI432C was declared inoperable when its trip setpoint failed to meet the tolerance l

!oisl l requirements of the test.

Tech. Spec. 3.3.1, in part, requires TI432C to be operable.

l r0j6l l Tech. Spec. 3.3.1 action statement requirements were met.

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[ U l This occurrence is attributable to an out of adiustment gain potentiometer. The potent-l t

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i, t2i I at 0207 on 6/7/81.

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