05000346/LER-1979-103, Forwards LER 79-103/03L-0

Forwards LER 79-103/03L-0

ML19210D665
Person / Time
Site:	Davis Besse
Issue date:	11/20/1979
From:	Murray T TOLEDO EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19210D666	List: 05000346/LER-1979-103, Forwards LER 79-103/03L-0 05000346/LER-1979-103-03, /03L-0:on 791023,first & Third Seals in Reactor Coolant Pump 1-1-1 Were Not Staging.Caused by Thermal Shocking Which Occurred During Loss of Offsite Power on 791015.Seal Package Refurbished & Reinstalled
References
L79-1087, NUDOCS 7911270437
Download: ML19210D665 (1)

LER-1979-103, Forwards LER 79-103/03L-0

Event date:
Report date:
3461979103R00 - NRC Website

text

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r-r-TOLEDO 8 EDISON November 20, 1979 L79-1087 FILE: RR 2 (NP-33-79-120)

Docket No. 50-346 License No. NPF-3 Mr. James G. Keppler Regional Director, Region III Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, Illinois 60137

Dear Mr. Keppler:

Reportable Occurrence 79-103 Davis-Besse Nuclear Power Station Unit 1 Date of Occurrence:

October 23, 1979 Enclosed are three copies of Licensee Event Report 79-103 with a supplemental in-formation sheet which is being submitted in accordance with Technical Specification 6.9 to provide 30 day written notification of the subject occurrence.

Yours truly, inDW 3 Terry D. Murray Station Superintendent Davis-Besse Nuclear Power Station TDM/lj k Enclosure cc:

Dr. Ernst Volgenau, Director Office of Inspection and Enforcement Encl:

30 copies LER 79-103 Mr. William G. Mcdonald, Director Office of Management Information and Program Control Encl:

3 copies LER 79-103 1398 076 7911270 h/ 5' /

s S

THE TOLEDO EDISON COMPANY EDISON PLAZA 300 MADISON AVENUE TOLEDO OHIO 43C52