United States Nuclear Regulatory Commission - Protecting People and the Environment

ACCESSION #: 9507070379

Potter & Brumfield       A Siemens Company

6/28/95

Document Control Desk
US Nuclear Regulatory Commission
Washington D.C.  20555

To whom it may concern:

The enclosed letters of notification have been sent to the indicated
customers to alert them of possible internal damage to movable arms and
reduced life on MDR relays manufactured by Potter & Brumfield.

Sincerely

George McIntire
QA Specialist

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Farwell & Hendricks
4600 East Tech Drive
Cincinnati     OH        45245
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-7032-SCE-0
Qty.                2
Date of return      2/10/93
Date codes          9231
Repair Ack #        31194

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Farwell & Hendricks
4600 East Tech Drive
Cincinnati     OH        45245
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-7033-SCE-0
Qty.                2
Date of return      2/10/93
Date codes          9231
Repair Ack #        31194

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Farwell & Hendricks
4600 East Tech Drive
Cincinnati     OH        45245
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-7034-SCE-0
Qty.                2
Date of return      2/10/93
Date codes          9235
Repair Ack #        31194

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Farwell & Hendricks
4600 East Tech Drive
Cincinnati               OH        45245
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-5138
Qty.                2
Date of return      2/10/93
Date codes          9230
Repair Ack #        31194

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Virginia Electric & Power Co.
P.O. Box 315
Surry          VA        23883
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-5076-1
Qty.                1
Date of return      2/23/93
Date codes          8425
Repair Ack #        34562

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

National Technical System Inc.
Action Division
533 Main Street
Acton          MA        01720
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-4172
Qty.                2
Date of return      3/9/93
Date codes          9246
Repair Ack #        35922

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

National Technical Systems Inc.
Action Division
533 Main Street
Acton          MA        01720
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR4171
Qty.                1
Date of return      3/9/93
Date codes          9246
Repair Ack #        35922

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Southern California Edison
San Onofre Nuclear Warehouse
14300 South Mesa Road
San Clemente        CA        92672
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-7034-SCE-0
Qty.                1
Date of return      9/3/93
Date codes          9149
Repair Ack #        51471

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Southern California Edison
San Onofre Nuclear Warehouse
14300 South Mesa Road
San Clemente        CA        92672
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-5137-SCE-0
Qty.                24
Date of return      9/3/93
Date codes          9002 & 9004
Repair Ack #        51471

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Southern California Edison
San Onofre Nuclear Warehouse
14300 South Mesa Road
San Clemente        CA        92672
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms

which could result in reduced relay life expectancy.

P&B Part #          MDR-135-1-SCE-0
Qty.                2
Date of return      9/3/93
Date codes          8944
Repair Ack #        51471

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Southern California Edison
San Onofre Nuclear Warehouse
14300 South Mesa Road
San Clemente        CA        92672
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-5095-SCE-1
Qty.                1
Date of return      9/3/93
Date codes          9005
Repair Ack #        51471

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Southern California Edison
San Onofre Nuclear Warehouse
14300 South Mesa Road
San Clemente        CA        92672
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-163-1-SCE-0
Qty.                1
Date of return      9/3/93
Date codes          9045
Repair Ack #        51471

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Southern California Edison
San Onofre Nuclear Warehouse
14300 South Mesa Road
San Clemente        CA        92672
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-5076-1-SCE-0
Qty.                1
Date of return      9/3/93
Date codes          unknown
Repair Ack #        51471

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Southern California Edison
San Onofre Nuclear Warehouse
14300 South Mesa Road
San Clemente        CA        92672
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-170-1-SCE-0
Qty.                1
Date of return      9/3/93
Date codes          9208
Repair Ack #        51471

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Southern California Edison
San Onofre Nuclear Warehouse
14300 South Mesa Road
San Clemente        CA        92672
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-67-2-SCE-0
Qty.                1
Date of return      9/3/93
Date codes          9001
Repair Ack #        51471

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Southern California Edison
San Onofre Nuclear Warehouse
14300 South Mesa Road
San Clemente        CA        92672
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-131-1-SCE-0
Qty.                3
Date of return      9/3/93
Date codes          9123 & 8945
Repair Ack #        51471

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Southern California Edison
San Onofre Nuclear Warehouse
14300 South Mesa Road
San Clemente        CA        92672
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-138-8-SCE-0
Qty.                2
Date of return      9/3/93
Date codes          8945
Repair Ack #        51471

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Southern California Edison
San Onofre Nuclear Warehouse
14300 South Mesa Road
San Clemente        CA        92672
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-4076-SCE-0
Qty.                5
Date of return      9/3/93
Date codes          8951, 8938, 8930
Repair Ack #        51471

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Southern California Edison
San Onofre Nuclear Warehouse
14300 South Mesa Road
San Clemente        CA        92672
Attention: Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-134-1-SCE-0
Qty.                9
Date of return      9/3/93
Date codes          8950, 8932
Repair Ack #        51471

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

NMP Corporation
P.O. Box 35493

Tulsa          OK        74153
Attention:  Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-136-1
Qty.                1
Date of return      9/15/93
Date codes          9327
Repair Ack #        53439

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

SPD Switchgear Inc.
Subs SPD Technologies Inc.
130 Keystone Drive
Montgomeryville     PA        18936
Attention:  Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-66-4
Qty.                1
Date of return      12/01/93
Date codes          9334
Repair Ack #        59399

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

ABB Combustion Engineering
Nuclear Power
1000 Prospect Hill Road
Windsor        CT        06095-0500
Attention:  Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-7034
Qty.                2
Date of return      12/09/93
Date codes          Unknown
Repair Ack #        56091

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

ABB Combustion Engineering
Nuclear Power
1000 Prospect Hill Road
Windsor        CT        06095-0500
Attention:  Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-7033
Qty.                1
Date of return      12/09/93
Date codes          Unknown
Repair Ack #        56091

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

ABB Combustion Engineering
Nuclear Power
1000 Prospect Hill Road
Windsor        CT        06095-0500
Attention:  Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-7032
Qty.                5
Date of return      12/09/93
Date codes          Unknown
Repair Ack #        56091

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Westinghouse Electric
Purchasing Department
P.O. Box 855
Pittsburgh     PA        15230-0855
Attention:  Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-4121-1
Qty.                1
Date of return      4/24/94
Date codes          9352
Repair Ack #        64017

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Westinghouse Electric Corp.
Purchasing Department
P.O. Box 855
Pittsburgh     PA        15230-0855
Attention:  Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-66-4
Qty.                1
Date of return      4/25/95
Date codes          9410
Repair Ack #        68212

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Westinghouse Electric
Purchasing Department
P.O. Box 855
Pittsburgh     PA        15230-0855
Attention:  Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-4121-1
Qty.                1
Date of return      5/31/94
Date codes          9416
Repair Ack #        70579

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

International Switchboard
P.O. Box 2001
Sugarland      TX        77478
Attention:  Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-134-1
Qty.                2
Date of return      7/19/94
Date codes          9115, 9338
Repair Ack #        77913

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

International Switchboard
P.O. Box 2001
Sugarland      TX        77478
Attention:  Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-131-1
Qty.                1
Date of return      7/19/94
Date codes          9335
Repair Ack #        77913

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Cutler Hammer Division
Eaton Corporation
P. O. Box 1185
Milwaukee      WI        53216
Attention:  Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-135-1
Qty.                2
Date of return      9/12/94
Date codes          9335, 9317
Repair Ack #        83484

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Commonwealth Edison Company
P. O. Box 767
Chicago        IL        60690-0767
Attention:  Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-138-8
Qty.                4
Date of return      9/27/94
Date codes          9420
Repair Ack #        78392

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Commonwealth Edison Company
P. O. Box 767
Chicago        IL        60690-0767
Attention:  Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-67-2
Qty.                1
Date of return      10/11/93
Date codes          9339
Repair Ack #        53870

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Ward Leonard Electric Company
Subs Unimax Group Inc.
31 South Street
Mount Vernon        NY        10550
Attention:  Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-131-2
Qty.                3
Date of return      10/13/94
Date codes          9416, 9406
Repair Ack #        79395

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Ward Leonard Electric Company
Subs Unimax Group Inc.
31 South Street
Mount Vernon        NY        10550
Attention:  Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-131-2
Qty.                6
Date of return      10/13/94
Date codes          9406, 9407, 9427
Repair Ack #        84675

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Ward Leonard Electric Company
Subs Unimax Group Inc.
31 South Street
Mount Vernon        NY        10550
Attention:  Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-131-1
Qty.                1
Date of return      10/13/94
Date codes          9438
Repair Ack #        85398

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

Potter & Brumfield       A Siemens Company

06/28/95

Whitmor Company Inc.
P. O. Box 249
Revere         MA        02151
Attention:  Quality Assurance Manager

Regional Sales
Northern Region - Betty Johnson (812) 386-2139
Southern Region - Mary Stoll (812) 386-2203

Subject: MDR relays with potentially damaged internal contact arms.

Our records show that the following relays were returned to Potter &
Brumfield by your company during the time frame of March, 1993 to March,
1995.  Some of these relays could exhibit damaged internal contact arms
which could result in reduced relay life expectancy.

P&B Part #          MDR-5067
Qty.                2
Date of return      11/01/94
Date codes          8429
Repair Ack #        80814

Please contact Potter & Brumfield Sales office to arrange for return of
this product for inspection and rework if necessary.

Sincerely

George McIntire
QA Specialist

cc:
Dick Didriksen
Gale Maxwell
Don Patton
Jerry Whitehead
U. S. Nuclear Regulatory Commission
Dick Market
Charles Tinsley

Potter & Brumfield Inc. o 200 S. Richland Creek Dr. o Princeton, Indiana
47671-0001 o (812) 386-1000

*** END OF DOCUMENT ***
Page Last Reviewed/Updated Thursday, March 29, 2012