05000296/LER-1981-030, Forwards LER 81-030/01T-0

Forwards LER 81-030/01T-0

ML20005B125
Person / Time
Site:	Browns Ferry
Issue date:	06/29/1981
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20005B126	List: 05000296/LER-1981-030, Forwards LER 81-030/01T-0 05000296/LER-1981-030-01, /01T-0:on 810616,turbine First Stage Permissive Switches PS-1-81A & B & PS-1-91A & B Were Found Above Tech Spec Limit.Caused by Barksdale Model B2T-A12SS Setpoint Drift.Switches Reset
References
NUDOCS 8107060341
Download: ML20005B125 (1)

LER-1981-030, Forwards LER 81-030/01T-0

Event date:
Report date:
2961981030R00 - NRC Website

text

TENNESSEE VALLEY AUTHORITY CHATTANOOGA. TENNESSEE 374ol 1750 Chestnut Street Tower II June 29, 1981 Mr. James P. O'Reilly, Director U.S. Nuclear Regulatory Commission Office of Inspection and Enforcement Region II 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303

Dear Mr. O'Reilly:

TFNNESSEE VALLEY AU1HORITY - BROWNS FERRY NUCLEAR PLANT UNIT 3 - DOCKET No. 50-296 - FACILITY CPERATING LICENSE DPR REPORTABLE OCCURRENCE REPORT BFRO-50-296/81030 The enclosed report provides details concerning turbine first stage permissive switches FS-1-81A and B and PS-1-91A and B which were found to be an average of 10.7 percent above the limits of Technical Specification 3.1.A uhile performing turbine first stage pressure permissive test.

This report is submitted in accordance with Browns Ferry unit 3 Technical Specification 6.7.2. A(5).

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

Director (3)

Office of Management Information and Program Control U.S. Nuclear Regulatory Commission Washington, DC 20535 f

Director (40)

Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission IOk Washington, DC-20555 s

Mr. Bill Lavallee Nuclear Safety Analysis Center

/(

Palo Alto, California 94303 Mr. R. F. Sullivan, NRC Inspector, Browns Ferry

--8107060341 e-n9 gDRADOCK05 296 Q PDR An Equal Opportunity Employer (z