05000327/LER-1980-141, Forwards LER 80-141/01T-0

Forwards LER 80-141/01T-0

ML19332B013
Person / Time
Site:	Sequoyah
Issue date:	09/11/1980
From:	Calhoun J TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19332B014	List: 05000327/LER-1980-141, Forwards LER 80-141/01T-0 05000327/LER-1980-141-01, /01T-0:on 800829,while in Mode 5,pinhole Leak Was Discovered in Rod travel-housing Latch Housing Interface Seal Weld on Control Rod Drive Mechanism C-11.Cause Not Stated.Fault to Be Ground Out & Weld Repaired
References
NUDOCS 8009190471
Download: ML19332B013 (1)

LER-1980-141, Forwards LER 80-141/01T-0

Event date:
Report date:
3271980141R00 - NRC Website

text

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4 TENNESSEE VALLEY AUTHORITY CH ATTANCCGA. TENNESSEr 37401 1750 Chestnut Street Tower II September 11, 1980 Mr. James P. O'Railly, Director U.S. Nuclear Eagulatory Commission Office of Inspection and Enforcement Region II 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303

Dear Mr. O'Railly:

TENNESSEE VALLEY AUTHORITY - SEQUOYAH NUCLEAR PLANT UNIT 1 - DOCEZT No. 50-327 - PACILITY OPERATDiG LICENSE DPR REPORTABLE OCCURRENCE REPORT SQRO-50-327/80141 The enclosed report providas detailm concerning a pinhola leak which was discovered in the rod travel housing-latch housing interface seal weld. This report is submitted in accordance with Sequoyah unit 1 Ta-hd e=1 Specification 6.9.1.12.c.

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

Director (3)

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Office of Management Informatidp and Program Control U.S. Nuclear Regulat,gry Commission

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Director (40)

Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555 col Mr. Bill Lavalles j

Nuclear Safety Anak/s.is Center Palo Alto, California 94303 Mr. W. T. Cottle, NRC Dspector, Sequoyah

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