ML17317B110

Forwards LERs 79-020/03L-0 & 79-021/03L-0

ML17317B110
Person / Time
Site:	Cook
Issue date:	04/17/1979
From:	Shaller D INDIANA MICHIGAN POWER CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17317B111	List: 05000315/LER-1979-020-03, /03L-O on 790323:pressurizer Relief Tank Rupture Disk Blew Out While in Mode 3.Caused by Repeated Pressure Fluctuations Causing Rupture Disk to Weaken.Corrective Action Unnecessary Since Doors Functioned as Designed 05000315/LER-1979-021-03, /03L-0 on 790327:pressure in RCS Was Found Below Tech Spec Limit While in Mode 1.Caused by Operator Inadvertantly Opening Auxiliary Spray Valve to Pressurizer QRV-51.Valve Closed Upon Discovery ML17317B110
References
NUDOCS 7904240377
Download: ML17317B110 (2)

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+leotelo egg INDIANA 8 MICHIGAN PDVER COMPANY DONALD C. COOK NUCLEAR PLANT P.O. Box 458, Bridgman, Michigan 49106,'pril 17, 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 Docket No. 50-315

Dear Mr. Keppler:

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

RO 79-020/03L-0 RO 79-021/03L-O.

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 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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