ML19350D847

LER 81-023/03L-0:on 810412,atmospheric Radiation Monitor RM-A5 Failed Due to Seized Sample Vacuum Pump.Caused by Worn Carbon Vanes.Pump Replaced.Engineering Evaluation in Progress.Supplementary Info Sheet Encl

ML19350D847
Person / Time
Site:	Crystal River
Issue date:	05/11/1981
From:	Hernandez V FLORIDA POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19350D846	List: ML19350D845 ML19350D847
References
LER-81-023-03L, LER-81-23-3L, NUDOCS 8105190489
Download: ML19350D847 (2)

Text

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1.!CENSEE EVENT F.E.:C.9T EXHIBIT /

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• 8 +4 si cecasr w . sam av sa r :4:s 1. i ,,,;. :2rt 4; EvtNTctscasenen At 2156 during hot Anostandby emesast.1cessscussess operation @it was discovered that Atmospheric Radiatio to :; l This created an event contrary to T.S. 3.7.7.1.

. go,3j - ( Monitor RM-A5 was inoperable ,

[o i 41 l haintenance was initiated and operability was res tored at 2117 on 4/13/81.

Ioisti There was no effect upon the health'or safety of the general public. This was g jy the fifth occurrence for RM-A5 and this is the seventh event reported under this

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iiollThe cause of this event is attributed to a seized sample vacuum pump. The pump failec t i e i 1 (due to wear of the carbon vanes. The pump was replaced and functionally tested. i

, , ,g REI 79-10-9 is undergoing engineering evaluation of the failure of Radiation Monitor Iie21 Isample vacuum puws. y liia!I _ l

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• ** Name of Preparer: .

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