Notification of Potential Part 21 Re Defect on Arvan Electrical Terminal Blocks| ML12075A106 |
| Person / Time |
|---|
| Site: |
Beaver Valley, Hatch, Davis Besse, Harris, Watts Bar, Byron, Arkansas Nuclear, Braidwood, Summer, Prairie Island, Ginna, South Texas, San Onofre, Cook  |
|---|
| Issue date: |
03/14/2012 |
|---|
| From: |
George R
Ametek Solidstate Controls |
|---|
| To: |
Office of Nuclear Reactor Regulation |
|---|
| References |
|---|
| 47741 |
| Download: ML12075A106 (5) |
|
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Text
03/14/2012 U.S. Nuclear Regulator) Commission OperationsCenter Event Report Part 21 (PAR) Event# 47741 Rep Org: AMETEK SOLIDSTATE CONTROLS -Notification Date I Time: 03/14/2012 15:38 (EDT)
Supplier: AMETEK SOLIDSTATE CONTROLS :Event.Date / Time: 03/14/2012 (EDT)
Last Modification: 03/14/2012 Region: 3 Docket #:
City: COLUMBUS Agreement State: Yes County: License #:
State: OH NRC Notified by: ROBERT GEORGE Notifications: PAUL KROHN R1DO HQ Ops Officer: JOHN KNOKE EUGENE GUTHRIE R2DO
- Emergency Class: NON EMERGENCY MICHAEL KUNOWSKI R3DO 10 CFR Section: CHUCK CAIN R4DO
.21.21 UNSPECIFIED PARAGRAPH PART.21 GRP EMAIL PART 21 - POTENTIAL DEFECT ON ARVAN ELECTRICAL TERMINAL BLOCKS The following information was provided by facsimile:
"COMPONENT DESCRIPTION:
Aryan electrical terminal blocks, part number MS27212-x-xx, Revision P, sizes xx and xx. any length; Ametek Soiidstate Controls part number 03-120608-00. Only lots purchased from 2010 to present are of concern.
"PROBLEM YOU COULD SEE:
A mottled or marbled appearance, vertical cracks and/or a slim void/flow line on a cut section of the terminal block, "CAUSE:
The manufacturer's investigation revealed that an improper application of acetone agent, which ensures proper
-bonding/blending of materials, was not properly monitored and resulted in intermittent inadequate blending. Not every lot or complete batch run is affected.
"EFFECT ON SYSTEM PERFORMANCE:
Cracks and/or voids in the material could be exploited should a seismic event occur.
"ACTION REQUIRED:
We have no known failures of these terminal block products in our systems. We believe the failure rate has been extremely low and the risk is minimal. Each operating facility will need to evaluate the potential risk to their operation.
"AMETEK SOLIDSTATE CONTROLS CORRECTIVE ACTION:
03/14/2012 U.S. Nuclear Regulatoriy Comnnission OperationsCenter Event Report Page 2 Part 21 (PAR) Event# 47741 If you wish to replace the terminal blocks in your systems, Ametek Solidstate Controls will work with you to arrange replacements. Please contact our Client Services group at 1-800-222-9079 or 614-846-7500 ext. 6260."
The -nuclear sites identified by the licensee to have these potentially defective parts are: -Beaver Valley, Ginna, Harris, Hatch, VC Summer, Watts Bar, Braidwood, Byron, Cook, Davis Besse, Prairie Island, Arkansas Nuclear One, San Onofre Nuclear Generating Station, and South Texas Project.
Received at: 03/14/2012 15:38 Mar. 14. 2012 3:35PM No. 0841 P. I FAX -COVER SHEET I_. _SASSJ ANMETEK SOLIDSTATE CONTROLS Quality Assurance 875
Dearborn Drive,
Columbus, OH 43085 U.S.A.
Telephone: 614-846-7500 1-800-"35-7300 Fax: 614-885-3990 TO: NRC Operations Center FlROM: Robert E. George FAX: 301-816-5151 EXTENSION; 614-410-6317 DATE; March 14, 2012 PAGES: 3 (including this cover sheet)
SUBJECT:
Pt. 21 Reporting MESSAGE:
See following attachments...
NOTE: The Information contained In this FAX is conlidenlial andlor privileged. If the reader of this message Is not the Intended recipient, any dissemination, distribution, or copying of this communication Is prohibited. If this communication has been received In error, please notify us by telephone Immediately so we can arrange for the return of the original(s). Thank you.
Mar. 14, 2012 3:35PM Nc,. 0841 P. 2 eFAVAMWr METEK SOLIDSTATE CONTROLS Quality Assurance 875
Dearborn Drive. Columbus,
OH 43085 U.S.A.
Telephone: 614-846-7500 1-800-835-7300 Fax: 814-885-3990 E-mail: bob.george@ameiek.com
-Robed E. George DMfeor of Qualify March 14, 2011 U.S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. .20555 Attention: MANAGER DOCUMENT CONTROL CENTER
Subject:
Notification of Potential Defect - 10CFR Part 21 Product: Arvan electrical terminal blocks, part number MS2721.2-x-xx, Revision P, sizes u and xx, any length.
Ametek Solidstate Controls is submitting the following Report of a Potential Defect in accordance with the requirements of IOCFR Part 21.
Please contact me if you require any further information.
Sincerely, Robert E. George Director of Quality Ametek Solidstate Controls SOLIDSrATE CONTROLS
Mar, 14. .2012 3':35PM No. 0841 P. ')
MMCCACr .METEK SOLIDSTATE CONTROLS COMPONENT DESCRIPTION:
Aryan electrical terminal blocks, part number MS27212-x-xx, Revision P, sizes xx and xx, any length; Ametek Solidstate Controls part number 03-120608-00. Only lots purchased from 2010 to present are of concern.
PROBLEM YOU COULD SEE:
A mottled or marbled appearance, vertical cracks and/or a slim void/flow line on a cut section of the terminal block.
CAUSE:
The manufacturer's investigation revealed that an improper application of acetone agent, which ensures proper bonding/blending of materials, was not properly monitored and resulted in intermittent inadequate blending. Not every lot or complete batch run is affected.
EFFECT ON SYSTEM PERFORMANCE:
Cracks and/or voids in the material could be exploited should a seismic event occur.
ACTION REQUIRED:
We have no known failures of these terminal block products in our systems. We believe the failure rate has been extremely low-and the risk is minimal. Each operating facility will need to evaluate the potential risk to their operation.
AMETEK SOLIDSTATE CONTROLS CORRECTIVE ACTION:
If you wish to replace the terminal blocks in your systems, Ametek Solidstate Controls will work with you to arrange replacements. Please contact Mr. Jim Ackinclose of our Client Services group at 1-800-222-9079 or 1-614-846-7500 ext. 6260.
iim.ackinclose0,ametek.com