United States Nuclear Regulatory Commission - Protecting People and the Environment


ACCESSION #:  9606040240



                         Information & Support Services

                         P.O.  Box 3707

                         Seattle, WA 98124-2207



May 30, 1996

G-1151-SJA-96-302



Document Control Desk

United States Nuclear Regulatory Commission

Washington, D. C. 20555



BOEING



Reference: a)  Boeing Letter G-1151-RSO-92-365 dated August 31, 1992;

               R. S. Orr to the NRC Operations Center



          b)   NRC Letter Docket No.  99901227 dated August 12, 1992; L.

               J.  Norrholm to R. S. Orr; Subject: Response to 10 CFR 21

               Inquiry



Dear Sir or Madam:



In accordance with the reference correspondence and 10 CFR 21, Boeing is

sending the NRC the attached error notice(s) received from our former

software suppliers.  Because of unknown current addresses, the following

former customers were not notified:



     Reactor Controls, Inc.

     Echo Energy Consultants, Inc.

     Nuclear Applications and Systems Analysis Company (Japan)

     Nuclear Power Services

     Tenera Engineering Services

     Gibbs & Hill, Inc.



Error notices have been sent to our other former customers.



Very truly yours,



Sandra J.  Andrews

Nuclear Administrator

G-1151 M/S 7A-33

(206) 865-6248



Attachment(s): GTSTRUDL Program Report Form No. 96.16



Georgia Tech             Computer Aided Structural Engineering Center



                         Georgia Institute of Technology

                         School of Civil & Environmental Engineering

                         Atlanta, Georgia 30332-0355

                         USA

                         404-894-2260

                         404 894 8014 FAX



May 24, 1996



Attention: Nuclear Administrator

Boeing Information & Support Services

P.O. Box 24346, M/S 7A-33

Seattle, Washington 98124-0346



RE: GT STRUDL



Dear Sir or Madam:



Enclosed please find copies of GTSTRUDL PROGRAM REPORT FORM No. 96.16 and

a VENDOR ACKNOWLEDGEMENT FORM.  Please sign and return the VENDOR

ACKNOWLEDGEMENT FORM to acknowledge receipt of the GTSTRUDL Program

Report.



Thank you for reviewing the Program Report and for returning the

Acknowledgement Form.



Best regards,

CASE Center



Catherine Lee

Configuration Control Manager



CL/jhb

Enclosures



An Equal Education and Employment       A Unit of the University System

Opportunity Institution                 of Georgia



                      GTSTRUDL Program Report Form



                                             GPRF No.: 96.16



                                              DATE: May 23, 1996



FROM:     Computer-Aided Structural Engineering Center

          Georgia Institute of Technology

          Atlanta, Georgia 30332-0355



SEVERITY LEVEL:

X  URGENT      Problem results in incorrect answers which may not be

               apparent or job aborts and cannot be recovered within the

               session or job.



_  SERIOUS     Problem results in incorrect answers which are obvious or

               problem prevents completion of a particular user's task.



_  MINOR       Problem can be worked around or problem poses high

               frustration factor.



_  INFORMATIVE Documentation error, program usage tip, user

               inconveniences.



Date Problem Confirmed   May 23, 1996

Date Notification Sent May 24, 1996

Computers      All

Operating System    All

Version   94.01 and later

Target Release for Correction      96.02



                                             Mgr. ASD

Signature                               Title

R & D Division



     Michael H.  Swanger

Typed or Printed Name                   Date of Signature



Signature                               Title

Professional Services Division



Typed or Printed Name                   Date of Signature



                                                                Rev.  2.2



                      GTSTRUDL Program Report Form

                               (Continued)



                                             GPRF No.: 96.16



                                             DATE: May 23 1996



DESCRIPTION:



The LIST DYNAMIC PARTICIPATION FACTORS command produces incorrect results

for the case when rotated released support conditions are present in a

consistent mass model.  A consistent mass model will be computed if the

INERTIA OF JOINTS CONSISTENT command is given or if rigid body elements

are used in the model.  The only possible work around at this time is to

avoid one or more of these conditions.



Other dynamic analysis computations or results are not adversely affected

by these conditions.



Applicable sections of the User's Manual



     Inertia specification Command  Section 2.4.3.1, Vol.  3

     The JOINT RELEASES Command     Section 2.1.7.2, Vol.  1

     Joint Constraints              Section 5.9, GTSTRUDL Release

                                                 Guide Version 9401

                                                 RS, 9401VAX, 9401

                                                 Solaris

                                    Section 6.9, GTSTRUDL Release Guide

                                                 Version 9401 PC, 9601 PC



                                                                Rev.  2.2



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