05000296/LER-1980-009, Forwards LER 80-009/03L-0

Forwards LER 80-009/03L-0

ML18025A833
Person / Time
Site:	Browns Ferry
Issue date:	05/02/1980
From:	Calhoun J TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML18025A834	List: 05000296/LER-1980-009, Forwards LER 80-009/03L-0 05000296/LER-1980-009-03, /03L-0:on 800404,during Normal Operation,Relay 16A-K63B Overheated & Failed,Blowing Fuse Causing Containment Isolation Sys Group 6 Valves to Fail Closed. Caused by Natural Aging of Relay.Relay & Fuse Replaced
References
NUDOCS 8005070506
Download: ML18025A833 (2)

LER-1980-009, Forwards LER 80-009/03L-0

Event date:
Report date:
2961980009R00 - NRC Website

text

'1 0050i ozo TENNESSEE VALLEYAUTHOR1TY CHATTANOOGA. TENNESSEE 37401 716,Edney Building Hay 2, 1980 Hr. James P. O'Reilly, Di'rector U.S. Nuclear'egulatory Commission Office of Inspection and Enforcement Region II 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303

Dear Mr. O'Reilly:

TENNESSEE VALLEY AUTHORITY-BROtRIS PERRY NUCLEAR PLANT UNIT 3 - DOCKET NO. 50 296 - FACILITY OPERATING LICENSE DPR-68 REPORTABLE OCCURRENCE REPORT BFRO-50-296/8009 The enclosed report provides details concerning a relay which overheated and failed blowing fuse causing primary containment isolation system group 6 valves to fail closed during normal operation.

This report is submitted in accordance with Browne Perry unit 3 Technical Specification 6~7,2.b(2).

Very truly yours, TENNESSEE VALLEY AUTHORITY J. R. Calhoun Director of Nuclear Power Enclosure (3) cc (Enclosure):

Director (3)

Office of Management Information and Program Control U.S. Nuclear Regulatory Commission ffashington DC 20555 Director (40)

Office of Inspection and Enforcement U.S, Nuclear Regulatory Commission washington, DC 20555 Hr. BillLavallee Nuclear Safety Analysis Center Palo Alto, California 94303 Hr, R. P. Sullivan, NRC Inspector, Browns Perry An Equal Opportunity Employer

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