ML17252B561

LER 80-009/03L-0 for Zion Re Conditions Leading to Operation in a Degraded Mode Permitted by a Limiting Condition for Operation or Plant Shutdown Required by a Limiting Condition for Operation Requires a 30 Day Written Report

ML17252B561
Person / Time
Site:	Zion File:ZionSolutions icon.png
Issue date:	03/03/1980
From:	Wandke N Commonwealth Edison Co
To:	James Keppler NRC/RGN-III
References
LER 80-009/03L-0
Download: ML17252B561 (2)

Text

i. Commonwealt.ison Zion Generating S~ .

Shiloh Blvd. & Lake Michigan Zion, Illinois 60099 Telephone 312/746-2084 March 3, 1980 Mr. James G. Keppler Regional Director Directorate of Regulatory Operations Region III U.S. Nuclear Regulatory Commission Glen Ellyn,_ Illinois 60137

Reference:

Zion Generating Station Docket No. 50-304/DPR-48 Technical Specification, Section 6.6.2

Dear Mr. Keppler:

Enclosed please find Reportable Occurrence Report No. 50-304-80-9 for Zion Generating Station.

This report is submitted to you in accordance with the re-quirements of the Technical Specifications, Section 6.6.2.b.(2),

which states that conditions leading to operation in a degraded mode permitted by a limiting condition for operation or plant shutdown required by a limiting condition for operation requires a 30 day written report.

Very truly yours, N. E. Wandke Superintendent Zion Station RVJ/kjk

Enclosure:

.Reportable Occurrence Report No. 50-304~so~9

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.=*mIJ I During normal ODeration, maintenance personnel found S/G Level Xmtr 2LT-538 'had shifted high by 2.25%. - This error was non-conservative for low-

.~CUD low S/G level and low S/G level coincident with SF>FF Rx trip as

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presented in T~S. rable 3.1.1. No safety implications were involved as

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1_.the redundant channels were operable. The heal th and safety of the pub-0

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~1ETHOD OF DISCOVERY DISCOVERY DESCRIPTION

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PERSONNEL EXPOSURES .

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