ML19344B157

LER 80-052/03L-0:on 800719,during Mode 1 Operation, Containment Bldg Pressure Indicator 2PI-5603-3 Failed High. Caused by Erratic Current Repeater 2PY-5603-3B.Repeater Replaced & Pressure Indication Returned to Normal

ML19344B157
Person / Time
Site:	Arkansas Nuclear
Issue date:	08/15/1980
From:	Pendergraft R ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19344B148	List: ML19344B147 ML19344B149 ML19344B154 ML19344B157
References
LER-80-052-03L, LER-80-52-3L, NUDOCS 8008250663
Download: ML19344B157 (1)

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EVENT DESCRIPTION ANO PROBABLE CONSEQUENCES h ITTTl I Durina Mode 1 coeration. Containment Building pressure Indicator i o i(2PI-5603-3) failed high. The ESAF high containment pressure trips  ;

io n i i were bypassed on "C" PPS to preclude any trips due to the instrument i m ireading. This occurrence is similar '.o LER 50-368/79-014. Reportable i ITTi119er Tech Spec 6.9.1.9.b. i 8I I iTT71 ! I

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CAL'5E DESCA PT,0N AND CCR AtcrivE ACTaONS g iInvestigation revealed the current repeater (2PY-5603-38) was erratic i

, icausing 2PI-5603-3 to read high. The current repeater was replaced and i the Rx. Building pressure indication was returned to normal. "C" PPS ,

gi i,i3i i high building pressure was taken out of bypass. i frT71 i i

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