05000317/LER-1978-047, Forwards LER 78-047/03L-0

Forwards LER 78-047/03L-0

ML20062B540
Person / Time
Site:	Calvert Cliffs
Issue date:	10/20/1978
From:	Douglass R BALTIMORE GAS & ELECTRIC CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20062B547	List: 05000317/LER-1978-047, Forwards LER 78-047/03L-0 05000317/LER-1978-047-03, /03L-0:on 781010,13 Kv Breaker 252-2104 Tripped open,de-energizing 12 Kv Svc Bus 21.Caused by Signal of Unknown Source
References
NUDOCS 7810310102
Download: ML20062B540 (1)

LER-1978-047, Forwards LER 78-047/03L-0

Event date:
Report date:
3171978047R00 - NRC Website

text

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..I B ALTIMORE G AS AND ELECTRIC COMPANY P.O. SC X 14 7 5 B A LTIM O R E. M A RYL A N D 21203 El.ECTRIC PRODUCTION DEPARTMENT CALVERT CLIFFS NUCLE,AR POWER PLANT October 20, 1978 Lussy, uARvLAmo ms Mr. Boyce H. Grier, Director Docket No.

50-31 Office of Inspection & Enforcement License No.

.-3 U.S. Nuclear Regulatory Coannission Region I 631 Park Avenue King of Prussia, Pennsylvania 19h06

Dear Mr. Grier:

Per Technical Specification 6.91.9.b, please find attached the thirty-day report for LER 78 k7/3L.

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

Very!

truly yours,

/

N}V

/

lt%h c R. M. Douglass Chief Engineer RMD/KMR/mrc Copy To: Director, Office of Management In*ormation and Program Control Messrs. A. E. Lundvall, Jr.

J. B. Bullock t

V 6[ig J

7810010/o1,L5 v

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