ML20009C299

LER 81-042/03L-0:on 810406,during Mode 5 Initial Fuel Loading,Seismic Monitoring Instrument Starter Unit Was Not Operating Properly.Caused by Broken Wire & Sensitivity Potentiometer Out of Calibr.Wire Repaired

ML20009C299
Person / Time
Site:	McGuire
Issue date:	05/06/1981
From:	Ouellette R DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009C294	List: ML20009C293 ML20009C299
References
LER-81-042-03L, LER-81-42-3L, NUDOCS 8107200444
Download: ML20009C299 (1)

Text

Nec POAme 384 U. S. NUCLEAA RECULATORY Conansessaoff C117i LICENSEE EVENT REPORT EXHIBIT A CONTMoL sLoCK: l i

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.h t (PLEAsE PRINT OR TYPE ALL AEQus AED INPCR AAATIONI foITla Ie Nl. ucansasC I Mlcoos GI S I 1 l@isl Ol 0il-csase

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015101 Of 01316 I 91@l S eB 0 l 410161 gl 1 ]@l o f 510l 6l g l 1lg 74 I Si coCEeT seum.sem Evtaf oATe Ts mePoAfoATe SD EVENT DESCMIFnoN AND PRoSASLS CONSEQUENCES h ITTTl l While in Mode 5. -initial fuel loading. personnel found the Seismic Monitor- l f7TT1 I ing Instrument Starter Unit not operating peroperly. This was discovered ,

lo141I anrine -onthiv nreventative maintenance. This is in violation of the re- I to ist i quirements of Technical Specification Table 3.3-7. No seismic event  ;

lo is i I occurred and redundant instrumentation was operable; therefore, the health ,

lo i r l I and safety of the public were not af fected. ,

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ti6oIi The Remote Starter Unit of the SMA-3 System had a broken wire and the ,

iiiiil sensitivity potenti.ometer was out of calibration. The broken wire was ,

L11.1.) I ronni ted and the notentiometer was recalibrated. The instrument was then i li t a l l decl nved onerable. This instrument was manufactured by K-Metric. l ,

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