ML19274F815

LER 79-048/03L-0 on 790703:startup Channel Excore Nuclear Log Count Ratemeter on Remote Shutdown Indicated Incorrectly During Mode 1 Operation.Cause Not Stated. Feedback Wiper Arm Cleaned

ML19274F815
Person / Time
Site:	Arkansas Nuclear
Issue date:	07/31/1979
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19274F812	List: ML19274F811 ML19274F815 ML19274F817 ML19274F819 ML19274F820 ML19274F821
References
LER-79-048-03L, LER-79-48-3L, NUDOCS 7908060472
Download: ML19274F815 (1)

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NRC FORM 366 U. S. NUCLE AR REGUL ATORY COMMISSION

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7 8 60 6' LOCsf r NUM6E R W 6'> EVENT Dart le 75 84FPOMr O ArE 80 EVENT DESCRIPTION AND PROO AOLE CONSEQUENCES h l o 121 f Durine Mode 1 operation, it was identified that the Startup 1 o 2 1 channel excore Nuclear Log Count Ratemeter, 2JI-9000, on  !

Io141I the remote shutdown panel indicated incorrect 1v. The electrical 1 e s Lpower to the indicator dropped out at sctuoint. 10-6% however, 1 Io 16 I I the pointer did not go to zero. J o i i There have been no similar occurrences. 1

[ o le i 1 This occurrence reportable per T.S.6.9.1.9b. _ l 7 4 'l 80 C DE L E Suht E t A%NE NT LUDE

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43 4 4j 43 a4 4, Ct.USE DE SCR.PTION AND CCRREC flVE ACTIONS h i - IThe indicating instrument feedback wiper arm was cleaned. 5 iiI j ithe indicator was exercised throuchout its rance. The i i ,

I remote shutdown meter was returned to service within ten i i 3 Ihours, meeting the requirements of Action Statement I m lT.S.3.3.3.5a.

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