05000315/LER-1979-014, Forwards LER 79-014/03L-0 & 79-015/03L-0

Forwards LER 79-014/03L-0 & 79-015/03L-0

ML17317B047
Person / Time
Site:	Cook
Issue date:	03/28/1979
From:	Shaller D INDIANA MICHIGAN POWER CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17317B048	List: 05000315/LER-1979-014, Forwards LER 79-014/03L-0 & 79-015/03L-0 05000315/LER-1979-014-03, /03L-0 on 790301:while in Mode 1,indicated Position of Rod F-6 Discovered to Be Oscillating within 15 Steps of Bank Demand Position.Caused by Signal Conditioning Module Connector.Cleaning & Reinstallation Corrected Limits 05000315/LER-1979-015-03, /03L-0 on 790302:while Operating at Full Power, Pressurizer Relief Tank Rupture Disc Blew Out,Causing Ice Condenser Inlet Doors to Open.Caused by Pressure Fluctuations Resulting in Weakened Rupture Discs
References
NUDOCS 7904030260
Download: ML17317B047 (2)

LER-1979-014, Forwards LER 79-014/03L-0 & 79-015/03L-0

Event date:
Report date:
3151979014R00 - NRC Website

text

ysto INDIANA& MICHIGANPDSE8 CDMPANY DONALD C. COOK NUCLEAR PLANT P.O. Box 458, Bridgman, Michigan 49106 March 28, 1979 Mr. J.G.

Keppler, Regional Director Office of Inspection and Enforcement United States Nuclear Regulatory Commission Region III 799 Roosevelt Road Glen El lyn, IL'0137 Operating License DPR-58 Docket No. 50-315

Dear Mr. Keppler:

Pursuant to the requirements of the Appendix A Technical Specifications the following reports are submitted:

RO 79-014/03L-0 RO 79-015/03L-O.

Sincerely, D.V. Shaller Plant Manager

/bab cc:

J.E.

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

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

G. Charnoff, Esq.

R. Walsh, Esq.

G.

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

Dir., MIPC (3 copies)

l

~

4 l

I