ML19275A147

LER 79-054/03L-0 on 790805:while Pulling Control Rod on Power Increase Following Startup,Rod Block Monitor Channel a Failed.Caused by Defective Filter Capacitator in Vdc Power Supply.Capacitator Replaced & Instrument Returned to Svc

ML19275A147
Person / Time
Site:	Brunswick
Issue date:	08/27/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19275A145	List: ML19275A144 ML19275A147
References
LER-79-054-03L-01, LER-79-54-3L-1, NUDOCS 7908310459
Download: ML19275A147 (1)

Text

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• 3 LICENSEE EVENT REPORT CONTROL oLOCK: l l l l l l lQ (PLEASE PRINT 08 TYPE ALL REQUIRED INFoRMATION)

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80 lg 8 60 61 DOCK E I NUMBE R 68 63 EVENT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h o 2 l While pulling a contrgJ_rgd_on a power increase followiim a reactor startup. Rod Blockl o a Monitor (RBM) channel A failed downscale inoperable.

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{g 41 I Ylg l43Nl@ lG l0 8 l0 lg 42 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h i o l A filter capacitor in the 5 VDC power supply was found defective. The capacitor waa l i i [ replaced and the instrument was returned to service. This is considered an isolated

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