Part 21 Report - 1995-128

ACCESSION #: 9505110227

                        Boeing Computer Services
                             P.O. Box 24346
                         Seattle, WA 98124-0346

BOEING

May 1, 1995
G-1151-RSO-95-192

Document Control Desk
United States Nuclear Regulatory Commission
Washington, D.C.  20555

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

Error notices have been sent to our other former customers.

Very truly yours,

R. S. Orr
Nuclear Administrator
G-1151 M/S 7A-33
(206) 865-6248
Attachment(s): GTICES Program Report Form No. 95-11

Georgia Tech
                         Computer Aided Structural Engineering
Center

                         Georgia Institute of Technology
                         School of Civil & Environmental
Engineering
                         Atlanta, Georgia 30332-0355
                         USA
                         404 o 894 o 2260
                         404 o 894 o 8014 FAX

April 26, 1995

Attention: Nuclear Administrator
Boeing Computer Services
P.O.Box 24346, M/S 7A-33
Seattle, Washington 98124-0346

RE: GT STRUDL

Dear Sir or Madam:

Enclosed please find a copy of GTICES PROGRAM REPORT FORM No.
95.11 and a
VENDOR ACKNOWLEDGEMENT FORM.  Please sign and return the VENDOR
ACKNOWLEDGEMENT FORM to acknowledge receipt of the GTICES 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

                      GTSTRUDL Program Report Form

                                                  GPRF No.: 95.11

                                                  DATE: April 26,
1995

FROM:     Computer-Aided Structural Engineering Center
          Georgia Institute of Technology
          Atlanta, Georgia 30332-0355

SEVERITY LEVEL:

_  URGENT           Problem results in incorrect answers which
may not be
                    apparent or job aborts and cannot be
recovered within
                    the session or job.

x  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        April 26, 1995

Date Notification Sent        April 28, 1995

Computers      VAX, HP, IBM RS6000, PC, SUN

Operating System         All

Version        93.01 through 94.01

Target Release for Correction      95.01 (possible 94.01 VAX)

                                   Director, ASD
Signature                          Title
R & D Division

Kenneth Will                       April 26, 1995
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.: 95.11

                                                  DATE: April 26,
1995

DESCRIPTION:

               SUPERELEMENTS WITH INACTIVE BOUNDARY NODES

An abort will occur during the STIFFNESS ANALYSIS or the PERFORM
ASSEMBLY
commands if the boundary nodes of a superelement are inactive. 
The
problem that detected the problem contained numerous
superelements.  The
user incorrectly specified the boundary nodes of a later
superelement
which caused the boundary nodes of an earlier superelement to be
inactivated.  Only the boundary nodes of a superelement are
active during
a STIFFNESS ANALYSIS or PERFORM ASSEMBLY command - all internal
nodes are
inactivated.

Workaround:

The user must check and correctly specify the boundary nodes of
all
superelements.

Applicable Sections of the Documentation:

Definition of Superelement -  Section 2.3.11.1 of Volume 3 of the
                              GTSTRUDL User's Manual.

                                                  Rev. 2.2

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