05000321/LER-1980-025-03, /03L-0:on 800301,during Normal Operation,Reactor Core Isolation Cooling Pump Discharge Flow Switch Found Out of Spec.Caused by Instrument Drift.Barton Model 289A Flow Switch Recalibr

/03L-0:on 800301,during Normal Operation,Reactor Core Isolation Cooling Pump Discharge Flow Switch Found Out of Spec.Caused by Instrument Drift.Barton Model 289A Flow Switch Recalibr

ML19309A897
Person / Time
Site:	Hatch
Issue date:	03/25/1980
From:	Nix R GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19309A895	List: 05000321/LER-1980-025, Forwards LER 80-025/03L-0 05000321/LER-1980-025-03, /03L-0:on 800301,during Normal Operation,Reactor Core Isolation Cooling Pump Discharge Flow Switch Found Out of Spec.Caused by Instrument Drift.Barton Model 289A Flow Switch Recalibr
References
LER-80-025-03L, LER-80-25-3L, NUDOCS 8004010477
Download: ML19309A897 (2)

LER-1980-025, /03L-0:on 800301,during Normal Operation,Reactor Core Isolation Cooling Pump Discharge Flow Switch Found Out of Spec.Caused by Instrument Drift.Barton Model 289A Flow Switch Recalibr

Event date:
Report date:
3211980025R03 - NRC Website

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con'T 0 1 60 61 DVKET NUVBER bd 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND pro 8ABLE CONSEGUENCES h 10121l During normal operation while performing the RCIC System Flow Switch FT&C, I

flow switch 1E51-N002 was found at 75.5 GPM which is less than the Tech j

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Spec Table 3.2-3, item 6 setpoint of >80 GPM.

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NARRATIVE

REPORT Georgia Power Company

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• Plant E. I. Hatch Baxley, Georgia 31513 50-321/1980-025.

Reportable Occurrence Report No.

On March 1, 1980, during normal operation and wh The high setpoint flow switch,1E511N002, was found out of Tech Spec limits.

The Tech Spec was found at 8.0 in. of water which corresponds to 75.5 GPM.The surveillance y

limit is >80 GPM (8.96 in, of water), Table 3.2-3, iten 6.

i precedure limit is 9.5.1.2 in, of water (82 GPM).

It The instrument is a Barton Model 289A Differential i

This is The cause of this occurrence has been attrib'uted to instrument

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a repetitive occurrence and was last reported on Reporta No. 50-321/1977-05.

There was no effect upon p1blic health or safety due to this event.

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