05000272/LER-1979-014-03, /03L-0 on 790220:during Normal Operation,Radiation Monitoring Sys Channel 1R 12B Alarms Found Not Operating. Channel Later Returned to Svc & Operated Properly.Caused by Unknown Factor

/03L-0 on 790220:during Normal Operation,Radiation Monitoring Sys Channel 1R 12B Alarms Found Not Operating. Channel Later Returned to Svc & Operated Properly.Caused by Unknown Factor

ML18078B039
Person / Time
Site:	Salem
Issue date:	03/14/1979
From:	Kapple A Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18078B036	List: 05000272/LER-1979-014, Forwards LER 79-014/03L-0 05000272/LER-1979-014-03, /03L-0 on 790220:during Normal Operation,Radiation Monitoring Sys Channel 1R 12B Alarms Found Not Operating. Channel Later Returned to Svc & Operated Properly.Caused by Unknown Factor
References
LER-79-014-03L, LER-79-14-3L, NUDOCS 7903200428
Download: ML18078B039 (1)

LER-1979-014, /03L-0 on 790220:during Normal Operation,Radiation Monitoring Sys Channel 1R 12B Alarms Found Not Operating. Channel Later Returned to Svc & Operated Properly.Caused by Unknown Factor

Event date:
Report date:
2721979014R03 - NRC Website

text

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60 61 DOCKET NUMBER 68 69 EVENT DATE

. 74 75 REPORT DATE

. BO EVENT DESCRIPTION AND PROBABLE CONSEQUENCES @

I During normal op~ration, a channel functional test showed RMS channel

[]JI] I 1Rl2B alarms not operating.

T/S 3.3.3.lb was in effect for the

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I functional test and the containment pressure-vacuum relief isolation [2))J I valves remained shut while channel alarms were inoperable.

The channel

((![]. I was returned.to service within 26 hours3.009259e-4 days <br />0.00722 hours <br />4.298942e-5 weeks <br />9.893e-6 months <br /> and the functional test rerun

(]JI] I to verify channel operability.

This is the second occurrence of this

((I)) I type (79-11).

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SYSTEM

CAUSE

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LERIRO LVENTVEAR REPORT NO.

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A functional test run after testing showed the channel to be operating properly.

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