05000327/LER-1980-195, Forwards LER 80-195/01T-0

Forwards LER 80-195/01T-0

ML19340D393
Person / Time
Site:	Sequoyah
Issue date:	12/24/1980
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19340D394	List: 05000327/LER-1980-195, Forwards LER 80-195/01T-0 05000327/LER-1980-195-01, /01T-0:on 801212,util Notified That Interlocks on Emergency Feeder Breakers to 6.9-kV Shutdown Boards Could Allow Diesel Generators to Connect to Shutdown Boards W/O Operating Load Stripping Relays & Cause Generator Overload
References
NUDOCS 8012300518
Download: ML19340D393 (1)

LER-1980-195, Forwards LER 80-195/01T-0

Event date:
Report date:
3271980195R00 - NRC Website

text

5 g

TENNESSEE VALLEY AUTHORITY CH ATTANOOG A. T C N N ES S E E 37 401 g

W M

1750 Chastaut Street Tower II December 24, 1980 j

Mr. James P. O'Emilly, Director U.S. Nuclear Regulatory P

• maion Office of Inspection and Enforcement Esgion II 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303

Dear Mr. O'Reilly:

TEMNESSEE VALLEY AUTHORITY - SEQUOYAH NGCLEAR PLANT UMIT 1 - DOCEET NO. 50- 327-PACILITY OPERATING LICENSE DPR EEPORTARLE OCCURRENCE REPORT SQRO-50-327/80195 The enclosed report providea details concerning the discovery that interlocks on the emergency feeder breaker to the 6.9-kV shutdown boards would allow the diesel generator to connect to the shutdown boards without operating the load stripping relays.

Ihis report is submitted in accordance with Sequoyah unit 1 Taeh=4e=1 Specification 6.9.1.12.1.

Very truly yours, TENNESSEE VALLEY AUTHORITY H. J. Green l

Director of Nuclear Power l

l Enclosure (3) l cc (Enclosure):

Director (3)

Office of Management Information and Program Control U.S. Nuclear Regulatory e - iasion Washinaton. DC 20555

\\

l Director (40)

Office of Inspection and Enforcement U.S. Nuclear Regulatory c-insion Washington, DC 20555 Mr. Bill Lavallee 0

Nuclear Safety Analysis Center l

Palo Alto, California 94303 l

NRC Inspector, Sequoyah 8 0123 005/P

^ ' -

S