ML19271A981

LER 80-043/03L-0:on 800624,during Mode 3 Operation,Radiation Indicator 2RITS-8750-1 Failed Low,Placing Operation within Limiting Conditions of Tech Spec.Caused by Failed Radiation Element Resulting in Control Room Indication Error

ML19271A981
Person / Time
Site:	Arkansas Nuclear
Issue date:	08/07/1980
From:	Pendergraft R ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19271A978	List: ML19271A977 ML19271A981
References
LER-80-043-03L, LER-80-43-3L, NUDOCS 8008110426
Download: ML19271A981 (1)

Text

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NRC FORM 364 U. S. NUCLE AR R EGUL ATORY COMMISSION LICENSEE EVENT REPORT EXHIBIT A CONTROL BLOCK. l l l l \ lh (PLE ASE PRINT OR TYPE ALL REQUIREO INFORMATIONI lo l1l l AlR A [ Nl 0 l 2 lgl 010 l -l0 LICENst 14 0l 0 l- 0l02s l g l1 [1l1 J0l1 l 0 0lNvvet,H 26 L ec t Nst It,L J gl l ]g b r C A r su 7 8 9 LICENSE E CODE in CON'T P

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DATE 14 75 HF,OH T D AT E 80 EVENT DESCRIPTION AND PROSABLE CONSEQUENCES h goi2i During Mode 3 operation, Radiation Indicator (2RITS-8750-1) failed low i toi3i iplacing unit operation within the LC0 of Tech. Spec. 3.3.3.1(h).

io i. i I Emergency Ventilation was placed in service per Tech. Spec. Table 3.3-6 l io isi iAction Statement #17. There have been no similar occurrences. i lo is 1 RI eportable Per Tech. Spec. 6.9.1.9(b). i o i f I l o is i i I

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3J 34  % 33 40 el 42 43 44 CAUSE DESCRIPTION AND CORREC flVE ACTIONS h i o l Investigation revealed the Radiation element had failed causing the i sii, j l control room indication to read zero count per minute (com). The radiatial i 2 Lelement was replaced and test procedures were oerformed to verify coer- I g iabili ty. The Radiation Indicator was returned to service and the  ;

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