ML19209A553

LER 79-102/03L-0:on 790918,while Performing SP-HNP-2-3106, Instrument Setpoints Were Found to Exceed Tech Spec Limit. Caused by Setpoint Drift.Instruments Were Recalibr & Returned to Svc

ML19209A553
Person / Time
Site:	Hatch
Issue date:	09/25/1979
From:	GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19209A548	List: ML19209A547 ML19209A553
References
LER-79-102-03L, LER-79-102-3L, NUDOCS 7910040309
Download: ML19209A553 (2)

Text

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yl a setpoints for 2B21-N006A, l ,

and Calibration, instrument

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. 2B21-N006B, 2B21-3006D and 2B21-N007A were f ound to exceed the Tech. Spec

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2B21-N006A, 2B21-N007B--D, 2B21-N003A-D and 2B21-N009A-D were joperab t

3 g There have There was no affect on the environs. I g g within the Tech. Spec. limit. _] }

g g been no previous occurrences of this type. I 80 su'eEc'o's sEEI3E

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[E_j@34W @ 33 36 3I 33 1 ts were CAusE DESCRIPTION AND CORRECTIVE ACTIONS ilo)) Setroint drif t was dete_rmined to be fthe cause of the vent. _ T or surveillance cr.d cell.-attent The procedures 3 3

- { recalibrated and returned to service. l drifts but none werc __ _ J were reviewed f or f actors which would attribute to cultip e The_]

, g} i found.

The setpoint was considered to need coving to a more conserrative co ng 1

, 3-- [ t. The as fe nd 83 setpoint will be changed on the next regular surveillance tes

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-367-7781 2

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Georgia Power Company 1lant E. I. Hatch

• Bax1(.y, Georgia 31513 , .

Reportable Occurrence Report No. 59-366/1979-102. ,

t' Cause Descriptien and Corrective Actions (Cont) of or equal to 122.5 psid,with a Tech. Spec. limit setpoints were less tha t less than or equal to 120 psid.

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