ML19309A852

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Notifies That Response to IE Bulletin 79-27 Re Loss of Ac Power Supply to non-nuclear Instrumentation Buses,Will Be Provided by 800401.Delay Caused by Expansion of Review to Include Crystal River-3 Event
ML19309A852
Person / Time
Site: Arkansas Nuclear Entergy icon.png
Issue date: 03/27/1980
From: Rueter D
ARKANSAS POWER & LIGHT CO.
To: Eisenhut D
Office of Nuclear Reactor Regulation
References
IEB-79-27, NUDOCS 8004010416
Download: ML19309A852 (1)


Text

H E L F3 t N G OUILO A n x A N S A ts A R K A N S A S P O W E R & L I G H T C: O M P A N Y A O 00X 551 UTTLE AOCKs AAKANSAS 72203 . [501) 371 A 191 CONALO A. AUETER TEC N CAL ANO March 27, 1980 ENVIAONMENTAL SEAVICES 1-030-17 Director of Nuclear Reactor Regulation ATTN: Mr. Darrell G. Eisenhut, Acting Director Operating Reactors U.S. Nuclear Regulatory Commission Washington, D.C. 20555

Subject:

Arkansas Nuclear One - Unit 1 Docket No. 50-313 License No. DPR-51 IE Bulletin 79-27 (File: 1510.1)

Gentlemen:

Our letter of March 17, 1980, to your Mr. H. R. Denton, informed you that a partial response to IE Bulletin 79-27 would be made by April 1, 1980. We also stated that the delay in submittal of our response was necessary due to an expansion of our review to include the Crystal River-3 (CR-3) event.

Mr. G. Vissing of your staff requested on March 26, 1980, that we pro-vide you with a letter committing to a complete response to IE Bul-letin 79-27 by April 26, 1980. We find that this would not be possible if the complete response must include a review of the CR-3 event. By limiting the scope of the bulletin to a review of AC power supply to the buses, such as the Oconee event described in the bulletin, we feel we can respond to the bulletin by the above date.

Therefore, a response to questions raised by the bulletin concerning loss of AC power supply to the NNI buses will be provided by April 26, 1980. Please disregard our committment to provide a partial response by April 1, 1980.

Very truly yours, f .' i N X 1 0

y' t. Donald A. Rueter/ ' ' i DAR: MAS:nak T

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