05000317/LER-1979-049, Forwards LER 79-049/03L-0

Forwards LER 79-049/03L-0

ML19209C673
Person / Time
Site:	Calvert Cliffs
Issue date:	10/11/1979
From:	Russell L BALTIMORE GAS & ELECTRIC CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19209C674	List: 05000317/LER-1979-049, Forwards LER 79-049/03L-0 05000317/LER-1979-049-03, /03L-0:on 790924,loop Isolation Valve SI-617 Failed to Operate When Motor Operator Received Open Signal. Caused by Contact Misalignment of Movable Contactor. Contactor Realigned & Tested
References
NUDOCS 7910170204
Download: ML19209C673 (1)

LER-1979-049, Forwards LER 79-049/03L-0

Event date:
Report date:
3171979049R00 - NRC Website

text

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4, B ALTIMORE G AS AND ELECTRIC COMPANY P.O. B O X 14 7 5 B ALTIM O R E. M A R YL AN D 2120 3 ELECTRIC PRODUCTION DEPARTMENT CALVERT CLIFPS NUCLEAR POWER PL ANT LUSBY, M ARYLAND 20657 October 11, 1979 Mr. Boyce H. Grier, Director Docket No. 50-317 Office of Inspection and Enforcement License No. DPR-53 U.S. Nuclear Regulatory Comissica 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 79-49/3L.

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

Very truly yours, aN L. B. Russell {

Chief Engineer LBR/ ERB /dds Attachment Copies To:

Director, Office of Management Inforration and Program Control Messrs. A. E. Lundvall, Jr.

J. B. Bullock v'

i148 301 g#g 7910170 M S