05000315/LER-1979-030-03, /03L-0 on 790417:while Performing Routine Surveillance Test on AB Diesel Generator,Load Conservation Circuitry Did Not Fully Function as Design.Cause Under Investigation

/03L-0 on 790417:while Performing Routine Surveillance Test on AB Diesel Generator,Load Conservation Circuitry Did Not Fully Function as Design.Cause Under Investigation

ML17317B210
Person / Time
Site:	Cook
Issue date:	05/16/1979
From:	Beilman T INDIANA MICHIGAN POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17317B209	List: 05000315/LER-1979-030-03, /03L-0 on 790417:while Performing Routine Surveillance Test on AB Diesel Generator,Load Conservation Circuitry Did Not Fully Function as Design.Cause Under Investigation 05000315/LER-1979-031-03, /03L-0 on 790419:during Routine Channel Calibr, Bistable Trip Value Discovered Nonconservative W/Respect to Tech Spec Limits.Caused by Excess Drift.Bistable Will Be Repaired 05000315/LER-1979-032-03, /03L-0 on 790416:during Routine Channel Calibr, Bistable FB-510B Trip Point Was Nonconservative W/Respect to Tech Spec Limit.Caused by Excess Drift.Bistable Recalibr ML17317B208
References
LER-79-030-03L, LER-79-30-3L, NUDOCS 7905220326
Download: ML17317B210 (1)

LER-1979-030, /03L-0 on 790417:while Performing Routine Surveillance Test on AB Diesel Generator,Load Conservation Circuitry Did Not Fully Function as Design.Cause Under Investigation

Event date:
Report date:
3151979030R03 - NRC Website

text

NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION (7-77)

LICENSEE EVENT REPORT s

CONTROL BLOCK:

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9 Qs DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 WHILE PERFORMING A ROUTINE SURVEILLANCE TEST ON THE AB DIESEL GENERATOR IN ACCORDANCE WITH T.S. 4.5.1.1.2.b.3, THE LOAD CONSERVATION CIRCUITRY OID NOT, FULLY FUNCTION AS DESIGNED.

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