05000327/LER-1981-121, Forwards LER 81-121/03L-0

Forwards LER 81-121/03L-0

ML20011B020
Person / Time
Site:	Sequoyah
Issue date:	10/23/1981
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20011B021	List: 05000327/LER-1981-121, Forwards LER 81-121/03L-0 05000327/LER-1981-121-03, /03L-0:on 810925,flux Imbalance Penalty Function Generator XM-92-5005K Found Inoperable.Caused by Module Drift.Module Recalibr
References
NUDOCS 8111030540
Download: ML20011B020 (1)

LER-1981-121, Forwards LER 81-121/03L-0

Event date:
Report date:
3271981121R00 - NRC Website

text

p TENNESSEE VALLEY AUTHORIT e CHATTANCgg WEGSEE 374o1 REGr 1750 Chestnet 'Dpq{an rowg,II 31 00r28 a y a

October 23, 1981 g

9f ae@i4.lf'd ra Mr. James P, O'Reilly, Director iS g V03 793 U.S. Nuclear Regulatory Commission

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0 fi e of Inspection and Enforcement i

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101 Marietta Street, Suite 3100 Atlanta, Georgia 30303 4<

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Dear Mr. O'Reilly:

TENNESSEE VALLEY AUTHORITY - SEQUOYAH NUCLEAR PLANT UNIT 1 - DOCKET NO. 50-327 - FACILITY OPERATING LICENSE DPR REPORTABLE OCCURRENCE REPORT SQRO-50-327/81121 The enclosed report provides details concerning the inoperability of the flux imbalance penalty function generator of the neutron instrumentation system due to being out of calibration. This report is submitted in accordance with Sequoyah unit 1 Technical Specification 6.9.1.13.a.

Very truly yours, TENNESSEE VALLEY AUTHORITY W

H. J. Green Director of Nuclear Power Enclosure (3) cc (Enclosure):

Director (3)

Office of Management Information and Program Control U.S. Nuclear Regulatory Commission Washington, DC 20555 Director (40)

Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555 Records Center Q)

Institute of Nuclear Power Operations O

1820 Water Place Atlanta, Georgia 30339 NRC Inspector, Sequoyah 8111030540 811023 PDR ADOCK 05000327 An Equal Opportunity Employer S

PDR