05000317/LER-1979-020, Forwards LER 79-020/03L-0

Forwards LER 79-020/03L-0

ML19241B891
Person / Time
Site:	Calvert Cliffs
Issue date:	07/19/1979
From:	Russell L BALTIMORE GAS & ELECTRIC CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19241B892	List: 05000317/LER-1979-020, Forwards LER 79-020/03L-0 05000317/LER-1979-020-03, /03L-0 on 790706:while Performing post-mod Test on Rcs,Power Relief Valves RC-402-ERV Failed to Fully Close After Lifting.Cause Not Determined.Pilot Valve Stroke Adjusted & Relief Valve Stroked Satisfactorily
References
NUDOCS 7907250292
Download: ML19241B891 (1)

LER-1979-020, Forwards LER 79-020/03L-0

Event date:
Report date:
3171979020R00 - NRC Website

text

...

B ALTIMORE G AS AND ELECTRIC COMPANY F.O. B O X 14 7 5 B ALTIMO R E.

MARYLAND 21203 ELECTRIC PRODUCTION DEPARTMENT CA LVERT CLIF FS NUCL EA R POWER PLANT LU S BY, MARYLAND 20657 July 19, 1979 Mr. Boyce H. Grier, Director Docket No. 50-317 Office of Inspection and Enforcement License No. DPR-53 U.S. Nuclear Regulatory Comission 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 79-20/3L.

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

Very truly yours, Ju J-m L. B. Russell Chief Engineer LBR/MJM/dds Attachment Copy To:

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

J. B. Bullock R\\

510 096 7 9 0765019 L