05000259/LER-1979-030, Forwards LER 79-030/03L-0

Forwards LER 79-030/03L-0

ML19210D636
Person / Time
Site:	Browns Ferry
Issue date:	11/21/1979
From:	Calhoun J TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19210D637	List: 05000259/LER-1979-030, Forwards LER 79-030/03L-0 05000259/LER-1979-030-03, /03L-0:on 791023,during Surveillance Testing,Torus Hydrogen Sensor Gave High Indication for 4% Calibr Gas. Caused by Degradition of Sensor.Redundant Sensor Placed in Svc
References
NUDOCS 7911270415
Download: ML19210D636 (1)

LER-1979-030, Forwards LER 79-030/03L-0

Event date:
Report date:
2591979030R00 - NRC Website

text

s 9*

TENNESSEE VALLEY AUTHORITY CHATTANOOGA TENNESSEE 37401 716 Edney Building November 21, 1979 Mr. James P.

'Reilly, Director D P P' fn' gn n

r g

lg j

U.S. Nuclear egulatory Comission g g' Office of Inspec o and Enforcement L*

Region II 101 Marietta Street, Suite 3100 Atlanta, Georgia 3r 303

Dear Mr. O'Railly:

TElWESSEE VALLEY AUTHORITY - BROWNS FERRY NUCLEAR PLANT UNIT 1 - DOCKET NO. 50-259 - FACILITY OPERATING LICENSE DPR REPORTABLE OCCURREHCE REPORT BFRO-50-259/7930 The enclosed report provides details concerning the torus hydrogen sensor which gave high indication for four percent calibration gas during normal operation while performing surveillance testing. This report is submitted in accordance with Browns Ferry unit 1 Technical Specification 6.7.2.b.2.

Very truly yours.

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

Director (3)

Office of Management Inforzation ard Program Control U.S. Nuclear Regulatory Co= mission Washington, DC 20555 Director (40)

Office of Inspection and Enfo cement U.S. 7.tclear Regulatory Comit sion Washington, DC 20555 R. F. Sullivan, NRC Inspector, Browns Ferry 7911270 N An Equal Opportunity Employer

]