Part 21 Report - 1999-017

ACCESSION #: 9905060080

---

Shared Services Group P.O. Box 3707 Seattle, WA 98124-2207

BOEING

April 19, 1999

G-1151-SJA-98-185

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, Sandra J. Andrews Nuclear Administrator Phone: (425) 865-6248 FAX: (425) 865-4851 Mail Stop: 7A-33, or e-mail: Sandra.J.Andrews@Boeing.com

Enclosure(s): GTSTRUDL Program Report Form 99.08

Georgia Institute of Technology

GT STRUDL [Registered Trademark]

---

April 9, 1999

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 99.08, and a GTSTRUDL QA CUSTOMER ACKNOWLEDGEMENT FORM. Please sign and return the GTSTRUDL QA CUSTOMER 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 David C. Key Configuration Control Manager

Enclosures

Computer Aided Structural Engineering Center School of Civil & Environmental Engineering Atlanta, Georgia 30332-0355 USA

Phone: (404) 894-2260 Fax:(404) 894-8014 casec@ce.gatech.edu

A Unit of the University System of Georgia

---

GTSTRUDL Program Report Form

			GPRF No.: 99.08 DATE:
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	April 5, 1999
Date Notification Sent
Computers	All
Operating System	All
Versions:	All
Target Release for Correction:	99.01
		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

---

GTSTRUDL Program Report Form(Continued)	Rev. 2.2
		GPRF No.: 99.08 DATE:
DESCRIPTION:	The NONLINEAR ANALYSIS command will terminate with a structural instability error message if the following combination of conditions exist for any frame member:

1.	The member has been specified as a nonlinear geometric member in the NONLINEAR EFFECTS command.
2.	The member has member releases.
3.	The member has a Beta reference joint.

A work-around is to specify the member Beta angle directly with the CONSTANTS command for members which satisfy conditions 1 and 2 above.

Applicable Reference Manual Sections

1.	Nonlinear Effects Command Section 2.5.2, Volume 3, GTSTRUDL Reference Manual, Rev. P
2.	The MEMBER RELEASES Command Section 2.1.8.2, Volume 1,
3.	The BETA REFERENCE JOINT Command Section 2.1.10.4, Volume 1,

GTSTRUDL Reference Manual, Rev. P

Rev. 2.2

---

*** END OF DOCUMENT ***