ML19207B884

LER 79-059/03L-0:on 790730,during Mode 1 Operation,Power Supply Failed Causing Isolation of Control Room Ventilation. Caused by Circuitry Failure.Power Supply Was Repaired, Operationally Checked & Radiation Monitor Returned to Svc

ML19207B884
Person / Time
Site:	Arkansas Nuclear
Issue date:	08/28/1979
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19207B882	List: ML19207B881 ML19207B884
References
2-089-15, LER-79-059-03L, NUDOCS 7909050470
Download: ML19207B884 (1)

Text

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" > LDuring Mode 1 operation, Contro Room Radiation Monitur, 2RITS-8750-1, i u a i nower sunnly failei resulting_in a false hiah indication 1_cau_sjna  !

o a Lisalation of_thelontrol Room Ventilation. There were no high radiation I c s I events therefore. the_pJb_l_i_c_and operatino personn_el safety was not  !

.r iendangered. Other occurrences involving radiation monitors are: LER 50 j

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t i li l i to a circuitrv failure. The power supply was repaired, operationally i i I checked, and the radiation monitor was returned to service. The Control j i i3i l Room emergency ventilation system was put in service while the monitor ,

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