ML19271A009

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Ro:On 800207,control Rod Withdrawal Inhibit on Intermediate Power Level Period Monitor Set Below Specified Setpoint. Possibly Caused by Inadvertent Movement During Channel Check.Withdrawal Inhibit Adjusted to Proper Setpoint
ML19271A009
Person / Time
Site: 05000054
Issue date: 02/08/1980
From: Voth M
UNION CARBIDE CORP.
To:
References
NUDOCS 8002140504
Download: ML19271A009 (1)


Text

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cly 7400 bein, c on 7 February 1980, Iho control rod w I t heir nwa l i n h 11.i t on the intermediate powor invo] pe r i nr1 mnni t or was (nund Pi e t at 1 <> ri ci than the v orrui red 30 noconr1 not pn i nt purnuant to Technical Speci-ficatlon "l . 7 . 3 . It is believed to have been moved in-advort<*nt1y ourIng a channel check s>er formed approx 5nate-Jy R hourn narlinr. The 10 nascond rnverne and the 3 second r.c r a m n e t poi n t e, remained operable. The inntrument wan corrected immediately. Thiv= in not a m .rt.itive e situation.

Thin t-eJ er opy con f I rma a teiephons notification to Mr. P. It . McCabe of your office at 1415 hourn today. A writtca. r e po r t- wi11 he nubmitted wit.hin 14 dayn purnuant to Tochnical F=poc i fi ca t J on (> . S . 3 . a . ( :1) ( b ) .

Yourn very tr uly, jj o , . s 1. i .! a .

Mity : 1 t.m Mascon II . Vcth Planaoer Nuc3 car o pe r.st.i o n n e

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