05000321/LER-1980-091-03, /03L-0:on 800724,while Performing Surveillance Procedure HNP-1-3974,control Room Air Intake Chlorine Monitor Calibr & Operability,Fan Motor on Monitor 1Z41-N022B Was Inoperative.Caused by Open Winding on Motor

/03L-0:on 800724,while Performing Surveillance Procedure HNP-1-3974,control Room Air Intake Chlorine Monitor Calibr & Operability,Fan Motor on Monitor 1Z41-N022B Was Inoperative.Caused by Open Winding on Motor

ML19344B115
Person / Time
Site:	Hatch
Issue date:	08/12/1980
From:	Nix R GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19344B109	List: 05000321/LER-1980-091, Forwards LER 80-091/03L-0 05000321/LER-1980-091-03, /03L-0:on 800724,while Performing Surveillance Procedure HNP-1-3974,control Room Air Intake Chlorine Monitor Calibr & Operability,Fan Motor on Monitor 1Z41-N022B Was Inoperative.Caused by Open Winding on Motor
References
LER-80-091-03L-01, LER-80-91-3L-1, NUDOCS 8008250597
Download: ML19344B115 (2)

LER-1980-091, /03L-0:on 800724,while Performing Surveillance Procedure HNP-1-3974,control Room Air Intake Chlorine Monitor Calibr & Operability,Fan Motor on Monitor 1Z41-N022B Was Inoperative.Caused by Open Winding on Motor

Event date:
Report date:
3211980091R03 - NRC Website

text

(1771 LICENSEE EVENT REPORT

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6 60 61 DOCKET NUMBER 08 6'J EVENT DATE 14 7b HEPOHT DAT E H0 EVENT DESCRIPTION AND PROBADLE CONSEoOENCES h [5771 l While performing normal surveillance procedure HNP-1-3974, Control Room l

Air Intake Chlorine Monitor Calibration and Operability, the fan motor j

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on the sample line of monitor IZ41-N0228 was found to be inoperative.

l l0 ls[ l Monitor 1Z41-N022A was operating correctly.

Tech Spec 3.12.E-1 requires l

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40 41 42 43 44 47 33 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h lilOll The cause of the failure was an open winding on the sample blower motor.

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NARRATIVE

REPORT Georgia Power Company Plant E. I. Hatch

_ Baxley, Georgia 31513 i

Reportable Occurrence Report No. 50-321/,1980-091.

- While performing Control Room Air Intake Chlorine Monitor Calibration and..

Operability Surveillance, procedure HNP-1-3974, the fan motor on the sample l

line on.iionitor 1Z41-N022B was found to,be. inoperative.

The redundant i

monitor 1Z41-N022A was operating correctly.

Tech Spec 3.12.E-1 requires

. one monitor to be ope'rable.

This is not a repetitive occurrence.

There t

was no effect on public health or safety.

The Wallace an.d Tiernan Model 50-125 Chlorine Analyzer monitors control room air intake and isolstes the ventilation system.

The analyzers are shared'by the Unit I and Unit II Control Room.

The 'cause of the failure -

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was determined to be an open motor winding.

The motor was replaced and the surveillance procedure was performed satisfactorily.

The generic review did not reseal any inherent problems.

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