05000346/LER-1979-090, Forwards LER 79-090/03L-0

Forwards LER 79-090/03L-0

ML19208C815
Person / Time
Site:	Davis Besse
Issue date:	09/21/1979
From:	Murray T TOLEDO EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19208C816	List: 05000346/LER-1979-090, Forwards LER 79-090/03L-0 05000346/LER-1979-090-03, /03L-0:on 790827,main Stream Line to Auxiliary Feed Pump Turbine 1-2 Steam Isolation Valve MS-107 Failed to Operate Properly.Caused by Surface Corrosion & Wear on Valve Seat.Torque Switch Setting Increased from 2.0 to 2.5
References
L79-808, NUDOCS 7909270537
Download: ML19208C815 (1)

LER-1979-090, Forwards LER 79-090/03L-0

Event date:
Report date:
3461979090R00 - NRC Website

text

e-C TOLEDO L EDISON September 21, 1979 L79-808 FILE: RR 2 (NP-33-79-104)

Docket No. 50-346 License No. NPF-3 Mr. James C. 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 79-090 Davis-Besse Nuclear Power Station Unit 1 Date of Occurrence: August 27, 1979 Enclosed are three copies of Licensee Event Report 79-090 with a supplemental information sheet which is being submitted in accordance with Technical Speci-fication 6.9 to provide 30 day written notification of the subject occurrence.

Yours truly,

.i n-g @_

/

Terry D. Murray U

Station Superintendent Davis-Besse Nuclear Power Station TDM/SNB/ljk Enclosure cc:

Dr. Ernst Volgenau, Director Office of Inspection and Enforcement Enc 1:

30 copies LER 79-090 Mr. William G. Mcdonald, Director Office of Management Information and Program Control Encl:

3 copies LER 79-090

' 909270g3 7 1042 344 THE TOLEDO EDISON COMPANY EDISON PLAZA 300 MADISON AVENUE TOLEDO. OHIO 43652