05000328/LER-1981-091, Forwards LER 81-091/03L-0

Forwards LER 81-091/03L-0

ML20010E797
Person / Time
Site:	Sequoyah
Issue date:	08/28/1981
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20010E798	List: 05000328/LER-1981-091, Forwards LER 81-091/03L-0 05000328/LER-1981-091-03, /03L-0:on 810803,both Train a & B Source Detectors Discovered Disabled.Caused by Lack of Voltage Due to Both Input Error Inhibit Switches Being Placed in Inhibit Position.Switches Returned to Normal
References
NUDOCS 8109080268
Download: ML20010E797 (1)

LER-1981-091, Forwards LER 81-091/03L-0

Event date:
Report date:
3281981091R00 - NRC Website

text

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TENNE ~SSEE VALLEY AUTHORITY CH ATTAN!)OG A, TENNESSEE 374gl 1750 Chestnut Street Tower Il

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August 28, 1981 f

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Mr. James P. O'Reilly, Director

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U.S. Nuclear Regulatory Commission 4

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Region 11

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101 Marietta Street, Suite 3100

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Q Atlanta, Georgia 30303

Dear Mr. O'Reilly:

TENNESSEE VALLEY AUTHORITY - SEQUOYAll NUCLEAR PLANT UNIT 2 - DOCKET NO. 50-328 - FACILITY OPERATING LICENSE DPR REPORTABLE OCCURRENCE REPORT SQRO-50-328/81091 The enclosed report provides details concerning the inoperability of both source range detector channels due to an improper alignment of solid state protection system output mode selector and input error inhibit switches. This event required entry into action statement 5 for limiting condition for operation 3.3.1.1 and ic reported in accordance with Sequoyah unit 2 Technical Specifiention 6.9.1.13.b.

Very truly yours, TENNESSEE VALLEY AUTHORITY h. /. (<

, J. Greend irector of Nu ear Power i

Enclosure (3) cc (Enclosure):

Director (3)

Office of Management Information and Program Control U.S. Nuclear Regulatory Commisrion Washington, DC 20555 g

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Director (40)

Office of Inspection and Enforcement

!j U.S. Nuclear Regulatory Commission x

Washington, DC 20555 Mr. Bill Lavallee Nuclear Safety Analysis Center Palo Alto, California 94303 i

NRC Inspector, Sequoyah 8109080268 810828 i

PDR ADOCK 05000328 An Equal Opportunity Employer l

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