ML15187A029

Part 21 Notification of Deviation Regarding COM-5 Protective Relay Defective Frame Assembly

ML15187A029
Person / Time
Site:	Clinton
Issue date:	06/29/2015
From:	Batovsky D ABB
To:	Document Control Desk, Office of Nuclear Reactor Regulation, NRC Region 1
References
51190
Download: ML15187A029 (6)

Text

06/29/2015 U.S. Nuclear Regulatory Commission Operations Center Event Renort Part 21 (PAR) Event# 51190 Rep Org: ABB, INC. Notification Date I Time: 06/29/2015 17:16 (EDT)

Supplier: ABB, INC. Event Date I Time: 06/29/2015 (EDT)

Last Modification: 06/29/2015 Region: 1 Docket #:

City: CORAL SPRINGS Agreement State: Yes County: License #:

State: FL NRC Notified by: DENNIS BATOVSKY Notifications: ANTHONY DIMITRIADIS RIDO HQ Ops Officer: STEVE SANDIN KATHLEEN O'DONOHUE R2DO Emergency Class: NON EMERGENCY LAURA KOZAK R3DO 10 CFR Section: NEIL OKEEFE R4DO 21.21(d)(3)(i) DEFECTS AND NONCOMPLIANCE PART 21/50.55 REACTORS EMAIL PART 21 NOTIFICATION OF DEVIATION REGARDING COM-5 PROTECTIVE RELAY DEFECTIVE FRAME ASSEMBLY The following information was provided by ABB via fax:

"This letter provides notification of a deviation for Class IE COM-5 (Long Time Overcurrent Relays) styles 1326D81A01, 1326D81A02, and 326D81A09.

"On April 30, 2015 ABB received a customer complaint regarding a COM-5 relay received with a bracket (ABB Part Number #3518A17H01) detached from the relay frame assembly (ABB Part Number #1456C92G01).

"ABB's investigation determined that the bracket, which is spot-welded to the frame, can be detached from the frame using a relatively small amount of force. If the weld fails, the Indicating Contactor Switch (ICS) unit held by the bracket could inadvertently close, causing a false trip. The affected frame assemblies were manufactured by ABB on 9/25/2014 (Lot-#: 45001414115) by an operator who incorrectly followed the inspection procedure required to verify the integrity of the resistance spot welds.

"ABB records show a total of 11 suspect relays were provided to two customers as detailed in attachment I

[BELOW].

"ABB does not have the capability to perform the evaluation to determine if a defect exists, thus we are notifying the purchasers or affected licensees of this determination so that they may evaluate the deviation, pursuant to 10 CFR. 21 .21(b).

"ABB recommends that the affected licensees evaluate their specific application and determine whether the

06/29/2015 U.S. Nuclear Regulatory Commission Operations Center Event Report Page 2 deviation described in this notice affects their design basis. If it is determined that it does, the licensees should contact ABB to determine appropriate corrective action. ABB is conducting the following actions:

- ABB has improved existing inspection processes used to verify resistance spot welds.

- ABB has performed an extent of condition evaluation and determined that this issue is limited to this process.

"If you have any questions regarding this notice, please contact ABB Technical Support at +1-954-752-6700 or+ 1-800-222-1946 Very truly yours, Dennis Batovsky Managing Director "ATTACHMENT 1 "Customer List for 1326D81A01, 1326D81A02 and 1326D81A09 COM-5 Relays "Exelon Business Services Corporation, Chicago, IL - Clinton Nuclear Station "ORDER / CUSTOMER P0 / DATE / STYLE / SERIAL NO. / QTY "ENW0716 / 00531032 Rev 001 / 9-26-2014 / 1326D81A01 / 12910-12912 / 3 "ENW0742 / 00541813 Rev 002 / 3-3-2015 / 1326D81A01 / 12938, 12939 /2 "Westinghouse Electric Corporation, New Stanton, PA "ORDER / CUSTOMER P0 / DATE / STYLE / SERIAL NO. / QTY "VEP10980O/4500653421 Rev 1 / 12-8-2014 / 1326D81A02 / 12928, 12929 /2 "VEP10976 / 4500653398 Rev 1 / 12-8-2014/1326D81A02 / 12925-1 2927 / 3 "VEP11168 /4500657304 rev 1 / 1-20-2015 / 1326D81A09 / 12919 /1"

954 05:27:02 p~m. 06-29-2015 1 /4

,K A S} D Pii!liP June 29, 2015 US Nuclear Regulatory Commission Washington, DC 20555-00 1

Subject:

10 C.F.R. Part 21 Notification of Deviation regarding COM-5 Protective Relay -

Defective Frame Assembly

Dear Sir or Madam:

This letter provides notification of a deviation for Class 1E COM-5 (Long Time Overcurrent

• Relays) styles 1326D81A01, 1326DS1A02, and 1326D81A09.

On April 30, 2015 ABB received a customer complaint regarding a COM-5 relay received with a bracket (ABB Part Number #3518A17H01) detached from the relay frame assembly (ABB Part Number #1456C92G0 1).

rFi ir

<~With Top of COM 5 Frame Bracket Shown at LEFT I I ABB's investigation determined that the bracket, which is spot-welded to the frame, can be detached from the frame using a relatively small amount of force. If the weld fails, the Indicating Contactor Switch (ICS) unit held by the bracket could' inadvertently close, causing a f'alse trip. The affected frame assemblies were manufactured by ABEB on 9/25/2014 (Lot#: 45001414115) by an operator who incorrectly followed the inspection procedure required to. verify the integrity of the resistance spot welds.

II AB3B records show a total of 11 suspect relays were provided to two customers as detailed in attachment 1.

ABB does not have the capability to perform the evaluation to determine if a defect exists, thus we are notifying the purchasers or affected licensees of this determination so that they may evaluate the deviation, pursuant to 10 C.F.R. 21.21(b).

• • Protective Relays and Switches* 4300 Coral Ridge Drive*.

Tel. (954) 752-6700 www. abb.us,/substationautornatio n

' " Coral Springs FL 33065 .Fax (954) 345-5329

954 05:27:29 p.m. 06-29-2015 2/4 ABB recommends that the affected licensees evaluate their specific application and determine S whether the deviation described in this notice affects :their design basis. If it is determined that it does, the licensees should contact ABB to determine appropriate corrective action.

AI3B is conducting the following actions:

• AB3B has improved existing inspection processes used to verify resistance spot welds.

,

• ABB has performed an extent of condition evaluation and determined that this issue is

~limited to this process.

If you have any questions regarding this notice, please contact ABB Technical Support at +1-954-752-6700 or +1-800-222-1946 Very truly yours, Managing Director Protecti~je Relays aridSwitches 4300 Corut Ridge Drive.

• Tel. (954) 752.-6700 www. abb.us/substationautrimatlan

• "' '" Coral Springs EL33055. Fax (954) 345-5329-

954 95405:27:42 p~m, 06-29-2015 4 3/4 PALlPlP l

Attachment 2.

Customer List for 1326D81A01, 1326D81A02 and. 326D81A09 COM-5 eas Exelon Business Services Corporation, Chicago, IL Clinton Nuclear Station ORDER CUSTOMER P0 DATE STYLE SERIAL NO. QV(

,ENW0J716 00531032 Rev 001 9/26/2014 1326081A01 12910-12912 3 ENW0742 00541813 Rev 002 3/3/2015 1326D81A01 12938, 12939 2 Westinghouse Electric Corporation, New Stanton, PA ORDER CUSTOMER PO DATE STYLE SERIAL NO. QTY VEP10980 4500653421 Rev i 12/8/2014 1326D81A02 12928, 12929 2 VEP10976 4500653398 Rev i 12/8/2014 1326D81A02 12925-12927 3 VEP11168 4500657304 rev I 1/20/2015 1326D81A09 12919 1

' ' :: .Pratective Relays and Switches 4300 Coral Ridi Re Drive *Tel. (954) 752-5700 www. abb.us/substatlanautomatiari

• - Coral Springs FL133065 Fax (954) 345-5329

• 05:28:06 p.m. 06-29-2015 4/4