ML20091G177

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Forwards Part 21 Rept Re Bug in Computer Code Affecting Calculation of Tech Specs for Nuclear Enthalpy Rise Peaking Factor.Bug Corrected
ML20091G177
Person / Time
Site: Mcguire, Cook, McGuire, 05000000
Issue date: 05/24/1984
From: Shanstrom R
AFFILIATION NOT ASSIGNED, SHANSTROM NUCLEAR ASSOCIATES
To: Eisenhut D
Office of Nuclear Reactor Regulation
Shared Package
ML20091G181 List:
References
REF-PT21-84-238-000 PT21-84-238, PT21-84-238-000, NUDOCS 8406040174
Download: ML20091G177 (1)


Text

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SHANSTROM NUCLEAR ASSOCIATES P. E BOX 1122

, DARIEN. CONNECTICUT 06020 4203) 65&=9400

[ May 24, 1984 Mr. Darrell G. Eisenhut, Director Division of Licensing Office of Nuclear Reactor Regulation USNRC Washington, DC 20555

Dear Mr. Eisenhut:

A 10CFR21 notification has been submitted to the Office of Inspection and Enforcement regarding a bug in a computer code which affects calculation of technical specification parameters for the nuclear enthalpy rise peaking factor.

Enclosed is a copy of this notification for your information.

The bug has been corrected and no violation of technical specification parameters occurred.

Ihahe'beenintouchwithRichardLobel,MarvDunenfeld,and Dan Fieno in the Core Performance Branch of the Division of Systems Integration. A separate copy of the notification has been sent to Richard Lobel.

Very truly yours, i hj$f//flh?

Ray c6d . hanstrom cc: Mr. Richard Lobel Enclosure t

8406040174 840524 -

PDR ADOCK 05000315 G ~PDR