05000318/LER-1979-036, Forwards LER 79-036/03L-0

Forwards LER 79-036/03L-0

ML19256E023
Person / Time
Site:	Calvert Cliffs
Issue date:	10/19/1979
From:	Russell L BALTIMORE GAS & ELECTRIC CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19256E024	List: 05000318/LER-1979-036, Forwards LER 79-036/03L-0 05000318/LER-1979-036-03, /03L-0:on 791004,control Element Assembly 1 Dropped to Bottom of Core.Caused by Oscillation in 15-volt Power Supply,Resulting in Dip of Output Voltage & Decreasing Holding Current of Upper Grimper
References
NUDOCS 7910250313
Download: ML19256E023 (1)

LER-1979-036, Forwards LER 79-036/03L-0

Event date:
Report date:
3181979036R00 - NRC Website

text

B ALTIMORE G,AS AND ELECTRIC COMP ANY P.O. B O X 1475 B A LTIM O R E. M A R Y L A N D 2120 3 ELECTRIC PRODUCTION DEPARTMENT CALVE RT CLIF F5 NUCL EA R POWER PLANT LUSBY. M A RYLAND 20657 October 19, 1979 Mr. Boyce H. Grier, Director Docket No.

50-318 Office of Inspection and Enforcement License No.

CPR-69 5

U.S. Nuclear Regulatory Commission Region I 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Grier:

Per Technical Specification 6.9.1.9.b, please find attached the thirty-day report for LER 79-36/3L.

Should you have questions regarding this report, we would be pleased to discuss them with you.

Very truly yours,

,nm

.q /

L. B. Russell Chief Engineer LBR/ ERB /gla Attachment Copies To:

Director, Office of Itanagement Infomation and Program Control Messrs. A. E. Lundvall, Jr.

J. B. Bullock Dr. Stephen M. Long

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7910250.313