05000259/LER-1983-020, Forwards LER 83-020/01T-0

Forwards LER 83-020/01T-0

ML20023B680
Person / Time
Site:	Browns Ferry
Issue date:	04/29/1983
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20023B681	List: 05000259/LER-1983-020, Forwards LER 83-020/01T-0 05000259/LER-1983-020-01, /01T-0:on 830418,line A,B,C & D MSIVs Exceeded Allowable Leakage Rates.Caused by Deterioration of MSIV Seating Surfaces During Operation.Valves Will Be Repaired Prior to Startup & MSIV Improvement Program Implemented
References
NUDOCS 8305050266
Download: ML20023B680 (1)

LER-1983-020, Forwards LER 83-020/01T-0

Event date:
Report date:
2591983020R00 - NRC Website

text

c.

'e TENNESSEE VALLEY AUTHORITY CH ATTANOOGA. TENNESSEE 37401 1750 Chestnut Street Tower II Lp

.:39 April 29, 1983 9

TjO, Y.h

'.' ^:L.

c/

1. 3

\\[

?

Mr. James P. O'Reilly, Director U.S. Nuclear Regulacory Commission d

Suite 2900.

101 Marietta Street, NW Atlanta, Georgia 30303

Dear Mr. O'Reilly:

TENNESSEE VALLEY AUTHORITY - BROWNS FERRY NUCLEAR PLANT UNIT 1 - DOCKET NO. 50-259 - FACILITY OPERATING LICENSE DPR REPORTABLE OCCURRENCE REPORT BFRO-50-259/83020 The enclosed report provides details concerning main steam isolation valve exceeding the allowable leakage rate. This report is submitted in accordance with Browns Ferry rnit 1 Technical Specification 6.7.2.a(3).

Very truly yours, TENNESSEE VALLEY AUTH0 TY e

H. J. Green Director of Nuclear Power Enclosure cc (Enclosure):

Document Ccntrol Desk U.S. Nuclear Regulatory Commission Washington, D.C.

20555 Records Center Institute of Nuclear Power Operations Suite 1500 1100 Circle 75 Parkway Atlanta, Georgia 30339 NRC Inspector, Browns Ferry 0

29 fd' YlC g

PDR p-TEAA An Equa; Opportunity Employer