05000369/LER-1981-042-03, /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

/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: 05000369/LER-1981-042, Forwards LER 81-042/03L-0.Detailed Event Analysis Encl 05000369/LER-1981-042-03, /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
References
LER-81-042-03L, LER-81-42-3L, NUDOCS 8107200444
Download: ML20009C299 (1)

LER-1981-042, /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

Event date:
Report date:
3691981042R03 - NRC Website

text

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eB Evtaf oATe 74 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.

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