ML19316B074

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LER 80-052/03L-0;on 800506,svc Bldg Vent Monitor Was Declared Inoperable When Alarm Would Not Clear in Conjunction W/Erratic Upscale Readings.Probably Caused by High Frequency Welding.Design Change Has Been Initiated
ML19316B074
Person / Time
Site: Sequoyah Tennessee Valley Authority icon.png
Issue date: 06/04/1980
From: Hereford J
TENNESSEE VALLEY AUTHORITY
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19316B065 List:
References
LER-80-052-03L, LER-80-52-3L, NUDOCS 8006110276
Download: ML19316B074 (2)


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EVAllfATIOf! LOGIC FOR PART 21 sQno-50-327/

Originating Document No. 80052 and PF(

1-60-1(

Yes 33, X

I. Deficiency of a plant security system?

X

1. Could defect create a substantial safety hazard?

If yes, report as part 21.

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II. Is the component necessary to ensure:

X

1. The integrity of the reactor coolant boundary?

. 2. The capability to shut down reactor and maintain X it in a rafo shutdown condition?

3. The capability to prevent or mitigate the consequences of accidents which could result in potential cf f site exposure comparable to those X referred to in 10 CFR 100,117

'e III. Is defect in a basic component one that has been X

accepted for owne-ship?

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Installe.d for use or operation? X If a yes in II and III above, could defect create X

- a substantial safety hazard? ,

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If yes, report as part 21. l 1

IV. Is defect in a basic component:

A condition that could contribute to exceeding X of safety limit? j

-- l If yes to one of II and IV above, report as part 21.

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