ML17317B208

Forwards LERs 79-030/03L-0,79-031/03L-0 & 79-032/03L-0

ML17317B208
Person / Time
Site:	Cook
Issue date:	05/16/1979
From:	Shaller D INDIANA MICHIGAN POWER CO.
To:	James Keppler 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
NUDOCS 7905220320
Download: ML17317B208 (2)

Text

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NDIANA& NICHIGANPDNER CDNPANY DONALD C. COOK NUCLEAR PLANT P.O. Box '458, Bridgman, Michigan 49106 May 16, 1979 Mr. J.G

~ Keppler, Regional Director Office of Inspection and Enforcement United States Nuclear Regulatory Commission Region III 799 Roosevelt Road Glen Ellyn, IL 60137 Operating License DPR-58 f

'Docket No. 50-315

Dear Mr. Keppler:

Pursuant to the requirements of the Appendix A Technical Specifications the following report/s are submitted:

RO 79-030/03L-0 RO 79-031/03L-0 RO 79-032/03L-0 Sincerely, D.V. Shaller Plant Manager

/bab cc:

J.E. Dolan R.W. Jurgensen R.F. Kroeger R. Kilburn R.J. Vollen BPI R.E.

Masse RO:III R.C. Callen MPSC P.W. Steketee, Esq.

R. Walsh, Esq.

G. Charnoff, Esq.

G. Olson J.M. Hennigan PNSRC J.F. Stietzel Dir., IE (30 copies)

Dir., MIPC (3 copies)

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