05000296/LER-1978-027, Forwards LER 78-027/03l-0

Forwards LER 78-027/03l-0

ML18024A524
Person / Time
Site:	Browns Ferry
Issue date:	11/08/1978
From:	Fox H TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML18024A526	List: 05000296/LER-1978-027, Forwards LER 78-027/03l-0 05000296/LER-1978-027-03, /03L-0 on 781012:during Refueling Outage,Panel 3-25-327 Was Inoperable,Placing 2 Smoke Detector Zones Out of Svc.Caused by a Contact on Power Transfer Relay Which Failed to Close After Short Power Interruption
References
NUDOCS 7811140186
Download: ML18024A524 (2)

LER-1978-027, Forwards LER 78-027/03l-0

Event date:
Report date:
2961978027R00 - NRC Website

text

REGULATORY FORMATXON DXSTRIBUTION TEM DOCKET NBR-50-296 BROWNS FERRY 3

RECXPXENT-O'EXLLY J ~ P.

ORIGINATOR:FOX H.S.

DOC DATE:

ACCESSXON NBR:

COPIES RECEIVED-COMPANY NAME: TN VALLEY AUTH LTR 1

ENCL

SUBJECT:

LERI78-027/03L-0 on 781012:

.durin SI ZE:

1+2 refuelin outa e

anel 3-25-327 was inoperable, placing 2 smoke detector zones out of svc.

Caused b

a contact on power transfer relay which failed. to close after short ower interruption.

M DISTRTBUTIO~i CODEt PO02 DISTRIBUTION TITLEt.

INCIDENT REPORTS 4

NOTARIZED BR CHTFF G

FJ I

L E

" NIPC I

a C

SYSTE,"S BR

, NOVAK/CHECK

" EEB I AD FOR,ENG PLANT SYSTEMS BR HANAUFR

" AP FOR PLANT.SYSTE AD FOR SYS R

PROJ REACTOR SAFETY BR ENGINEERING BR KREQER/J, COLLINS POWER SYS BR E. Jordan LPDR NSIC I ACRS ENCL'/4 ENCL W/ENCL W/ENCL W/2 ENCL W/3 ENCL W/FNCL W/ENCL W/ENCL W/F.NCL l4/rNCL l4/E NC L'/ENCL W/ENCL W/ENCL W/ENCL W/ENCL W/ENCL W/FNCL W/ENCL w/ENCL W/16 ENCL FOR ACTION

'l

~ ~

ORBI 3 BC TOTAL NUMBER OF COPIES REQUIRED t LTR ENCL NOTES:

November S,

1978 TENNESSEE VALLEYAUTHOR1TY CHATTANOOGA. TENNESSEE 37401 Nr. James P. O'Reilly, Director U.S. Nut:lear Regulatory Commission Office of Inspection and Enforcement Region II 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303

Dear Mr. O'Reilly:

TENNESSEE VALLEY AUTHORITY - BROOMS FERRY NUCLEAR PLANT UNIT 3 - DOCKET NO. 50-296 - FACILITY OPERATING LICENSE DPR-68 REPORTABLE OCCURRENCE REPORT BFRO-50-296/7827 The enclosed report provides details concerning an operator who observed that panel 3-25-325 was inoperable which placed two zones of smoke detectors out of service during the unit 3 refueling outage, This report is submitted in accordance with Browns Ferry unit 3 Technical Specification 6.7,2,b.2.

Very truly yours, TENNESSEE VALLEY AUTHORITY H, S,Fox Director of Power Production Enclosure (3) cc (Enclosure):

Director (3)

Office of Management Infor U.S. Nuclear Regulatory Co Washin ton D.C,.

20555 tion and Program Control ssion Director (40)

Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, D.C.

20555 PJP/ggzws An Equal Opportunity Employer