05000368/LER-1979-048-03, /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

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/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:
References
LER-79-048-03L, LER-79-48-3L, NUDOCS 7908060472
Download: ML19274F815 (1)
v • d • e


LER-1979-048, /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
Event date:
Report date:
3681979048R03 - NRC Website
v • d • e

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

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LICENSEE EVENT REPORT EXHIBIT A CONTROL BLOCO l l l l l l lh (PLE ASE PRINT OR TYPE ALL REOUtREO INFORMATIONI I

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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

1 channel excore Nuclear Log Count Ratemeter, 2JI-9000, on o

2 Io141I the remote shutdown panel indicated incorrect 1v.

The electrical 1

Lpower to the indicator dropped out at sctuoint. 10-6% however, 1

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Io 16 I I the pointer did not go to zero.

J i There have been no similar occurrences.

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[ o le i 1 This occurrence reportable per T.S.6.9.1.9b.

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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 remote shutdown meter was returned to service within ten i

i Ihours, meeting the requirements of Action Statement I

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