ML20004C644

Forwards LER 81-020/03L-0

ML20004C644
Person / Time
Site:	Browns Ferry
Issue date:	05/29/1981
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20004C645	List: 05000260/LER-1981-020, Forwards LER 81-020/03L-0 05000260/LER-1981-020-03, /03L-0:on 810505,during Core Standby Cooling Sys Suppression Chamber High Level Surveillance Instruction, Level Switches Operated at Correct Setpoint,But Annuciator & Relays Failed to Operate.Cause by Failure of Relay 23AK51
References
NUDOCS 8106040381
Download: ML20004C644 (1)

Text

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{\I 'YN _-{ May 29, 1982 (. . Mr.' James P. O'Reilly, Director U.S. Nuclear Regulatory Commission M G hk '<

                                                                                                     ,j Office of- Inspection and Enforcement                          %                ,.,y Region II 101 Marietta Street, Suite 3100 Qjj    ~,1 [ #

Atlanta, Georgia 30303

Dear Mr. O'Reilly:

TENNESSEE VALLEY - AUTHORITY - BROWS -FERRY NUCLEAR PLANT UNIT 2 - DOCKET NO. 50-260 - FACILITY OPERATING LICENSE DPR REPORTABLE OCCURRENCE REPORT BFRO-50-260/81020 The enclosed report provides details concerning 1cvel switches LS 73-57A and LS 73-57B which operated at correct setpoint, but annunciator and relays failed to operate. This report is submitted in accordance with Browns Ferry unit 2 Techincal Specification 6.7.2.b(2). , Very truly yours,

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

Director (3) Office of Management Infc,rmation and Program Control U.S. Nuclear Regulatory Commission Washington, DC 20555 , a Director (40) Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission ( Washingt.on, DC 20555 \ Mr. Bill Lavallee Nucl 'r Safety Analysis Center Palo Alto, California 94303 Mr. R. F. Sullivan, NRC Inspector, Browns Ferry 003 3 48106 0 40 3%e s . l'it Ecual Opportunity Em;;ic.y, L_ z ,}}