ML19344E011

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Advises That Final Deficiency Rept Re thin-walled Elbow in Reactor Pressure Vessel Drain Line Will Be Filed About Mid to Late Oct 1980,rather than Aug 1980.Describes Events Which Occurred Subsequent to Last Interim Rept on 800714
ML19344E011
Person / Time
Site: Clinton Constellation icon.png
Issue date: 08/19/1980
From: Koch L
ILLINOIS POWER CO.
To:
References
10CFR-050.55E, 10CFR-50.55E, U-0170, U-170, NUDOCS 8008260518
Download: ML19344E011 (1)


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L14-80(08-19)-9 lLLINOIS POWER 00MP(NY K

500 SOUTH 27TH STREET. DECATUR. ILUNoIS 62525 August 19, 1980 Mr. James G. Keppler Director, Region III Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, Illinois

60137,

Dear Mr. Keppler:

Reference:

Letter,:L. J. Koch to J. G. Keppler dated July 14, 1980

" Interim Report (10CFR50.55/e/) Concerning Thin-Walled Elbow in RPV Drain Line"; U-0156, L14-80(07-14)-9 Clinton Power Station Unit 1 Docket No. 50-461 Construction Permit No. CPPR-137 j

The referenced letter is an interim report of a potential reportable deficiency concerning a thin-walled elbow in the RPV drain line.

I At the time of the report, Illinois Power Company estimated that a final report would be filed in August, 1980.

Subsequently, the following events occurred:

1.

July 17, 1980 - General Electric informed Illinois Power Company I

that GE's investigation would require about eight weeks after l

receipt of the elbow.

2.

July 24, 1980 - The drain line elbow was removed.

3.

On or about July 30, 1980 - General Electric received the elbow.

In consideration of the above, Illinois Power Company now estimates that the final report will be filed about mid to late October, 1980; no further interim reporting is anticipated.

If you have any comments regarding this information, please notify me as appropriate.

Sincerely, 3ON N

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L.

och jn Vice President

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Director, Office of I&E, NRC, Washington, D.

l H. H. Livermore, NRC Resident Inspector i

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