ML20097K102: Difference between revisions

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A Ikect Meyd* k             427 E. stewart st. P.o. Box 2020, Milwaukee, WI 53201-2020 414-481-6000 TwX 910-262-3115   ,
A Ikect Meyd* k 427 E. stewart st. P.o. Box 2020, Milwaukee, WI 53201-2020 414-481-6000 TwX 910-262-3115 i
i September 14, 1984 84SEPl8 ej.09                                                                      i i
84SEPl8 ej.09 i
Nuclear Regulatory Comission Glen Ellen Office 799 Roosevelt Road                                                                                                 }
September 14, 1984 i
Nuclear Regulatory Comission Glen Ellen Office 799 Roosevelt Road
}
Glen Ellen, IL 60137 Attn: Mr. N. Jackiw
Glen Ellen, IL 60137 Attn: Mr. N. Jackiw


Line 27: Line 29:


==Dear Mr. Jackiw:==
==Dear Mr. Jackiw:==
This is to confirm my telephore call reporting suspected manufacturing and/or design defects on motor-alternator sets.
This is to confirm my telephore call reporting suspected manufacturing and/or design defects on motor-alternator sets.
: 1. Problem discovered at:
1.
Tennessee Valley Authority Browns Ferry Nuclear Plant Contract 78K5-823297 Alternating Current Motor-Generator Sets Louis Allis Serial No. 8-127033 through -013
Problem discovered at:
: 2. Defect:-
Tennessee Valley Authority Browns Ferry Nuclear Plant Contract 78K5-823297 Alternating Current Motor-Generator Sets Louis Allis Serial No. 8-127033 through -013 2.
: a. Rotor coil support blocks failed.
Defect:-
: b. Diode rings loose.
a.
: 3. Action:
Rotor coil support blocks failed.
b.
Diode rings loose.
3.
Action:
Plan established with representative of TVA for corrective action.
Plan established with representative of TVA for corrective action.
: a. Coil support blocks to be replaced with block of a different material.
a.
: b. Diode rings - material to be changed.
Coil support blocks to be replaced with block of a different material.
b.
Diode rings - material to be changed.
Defect 2(b) may possibly affect the following installation:
Defect 2(b) may possibly affect the following installation:
: 1. LILCO - Shoreham Nuclear Plant Specification SH1-439 Purchase Order 310950 and 364514-SSP Alternating Current Motor Generator Sets Louis Allis Serial No. 9-129576-001 through -004 and 3-143750-001 QcpicnAt,dmd
1.
                    ~8409240209 840914 PDR ADOCK 05000259 s                   PDR
LILCO - Shoreham Nuclear Plant Specification SH1-439 Purchase Order 310950 and 364514-SSP Alternating Current Motor Generator Sets Louis Allis Serial No. 9-129576-001 through -004 and 3-143750-001 QcpicnAt,dmd
                                                                                                                    'fC L
~8409240209 840914 PDR ADOCK 05000259 s
PDR
'fC L


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rc =
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M:                                                                               i m
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: 2. 'Possible defect:
i
w                                     ~
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                        .-Loose diode ~ rings. However, the ambient conditions are less severe j                         at-LILCO:than at TVA.
m 2.
V 3.~   Action:.
'Possible defect:
;1
w
[                         a.c Representatives of LILC0 Shoreham will.be contacted no later T                                   than Oct. 17, 1984.
.-Loose diode ~ rings. However, the ambient conditions are less severe
~
j at-LILCO:than at TVA.
V 3.~ Action:.
;1
[
a.c Representatives of LILC0 Shoreham will.be contacted no later T
than Oct. 17, 1984.
U
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                          .b. (An~ inspection program and corrective program, if needed, will
.b. (An~ inspection program and corrective program, if needed, will be established.'
;                                  be established.'
- The-Louis Allis. contact for all inspection and corrective action will be:
                    - The-Louis Allis . contact for all inspection and corrective action will be:
'Mr. H.A.:Schreiber'.
                          'Mr. H.A.:Schreiber'.
. Manager, Customer Service u
u                        . Manager, Customer Service Louis.~Allis Division of Magnetek, Inc.
Louis.~Allis Division of Magnetek, Inc.
427:E. Stewart St. .
427:E. Stewart St..
Milwaukee, WI 53201 Telephone (414) 481-6000, Ext. 216
Milwaukee, WI 53201 Telephone (414) 481-6000, Ext. 216
                    -Very truly yours, khff; ==
-Very truly yours, khff;==
                    ' Cal.C. Cummins
' Cal.C. Cummins
                    .Vice. President - Engineering CCC/dkh.
.Vice. President - Engineering CCC/dkh.
                    .cc: Louis Allis:
.cc: Louis Allis:
                                  ~
~
b.-t                      . E. klessig
b.-
            .              'H. Schreiber.
. E. klessig t
'H. Schreiber.
J..Borman-
J..Borman-
                          .B.:Hein-D.TParkinson Nuclear Regulatory Commission:
.B.:Hein-D.TParkinson Nuclear Regulatory Commission:
Mr. James P. O'Reilly U.S. Nuclear Regulatory Commission
Mr. James P. O'Reilly U.S. Nuclear Regulatory Commission
  .                        .1011Maritta St., Suite 3100
.1011Maritta St., Suite 3100
[                         Atlanta,' GA 30303 h,                       Mr. Thomas Nurley U.S. Nuclear Regulatory Commission
.[
:                        631 Park Ave.
Atlanta,' GA 30303 h,
[                         : King of Prussia, PA 19406 b
Mr. Thomas Nurley U.S. Nuclear Regulatory Commission 631 Park Ave.
[
: King of Prussia, PA 19406 b
p A
p A
      .a                                                                                         >}}
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Latest revision as of 07:17, 13 December 2024

Part 21 Rept Re Mfg &/Or Design Defects on motor-alternator Sets.Plan Established W/Tva for Corrective Action.Coil Support Blocks to Be Replaced W/Block of Different Matl
ML20097K102
Person / Time
Site: Browns Ferry  
Issue date: 09/14/1984
From: Cummins C
AFFILIATION NOT ASSIGNED, MAGNETEK, INC.
To: Jackliw N
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
REF-PT21-84-455-000 PT21-84-455, PT21-84-455-000, NUDOCS 8409240209
Download: ML20097K102 (2)
v • d • e


Text

'

A Ikect Meyd* k 427 E. stewart st. P.o. Box 2020, Milwaukee, WI 53201-2020 414-481-6000 TwX 910-262-3115 i

84SEPl8 ej.09 i

September 14, 1984 i

Nuclear Regulatory Comission Glen Ellen Office 799 Roosevelt Road

}

Glen Ellen, IL 60137 Attn: Mr. N. Jackiw

Subject:

10CFR21

Dear Mr. Jackiw:

This is to confirm my telephore call reporting suspected manufacturing and/or design defects on motor-alternator sets.

1.

Problem discovered at:

Tennessee Valley Authority Browns Ferry Nuclear Plant Contract 78K5-823297 Alternating Current Motor-Generator Sets Louis Allis Serial No. 8-127033 through -013 2.

Defect:-

a.

Rotor coil support blocks failed.

b.

Diode rings loose.

3.

Action:

Plan established with representative of TVA for corrective action.

a.

Coil support blocks to be replaced with block of a different material.

b.

Diode rings - material to be changed.

Defect 2(b) may possibly affect the following installation:

1.

LILCO - Shoreham Nuclear Plant Specification SH1-439 Purchase Order 310950 and 364514-SSP Alternating Current Motor Generator Sets Louis Allis Serial No. 9-129576-001 through -004 and 3-143750-001 QcpicnAt,dmd

~8409240209 840914 PDR ADOCK 05000259 s

PDR

'fC L

rc =

o

^

s M:

i

_.+

m 2.

'Possible defect:

w

.-Loose diode ~ rings. However, the ambient conditions are less severe

~

j at-LILCO:than at TVA.

V 3.~ Action:.

1

[

a.c Representatives of LILC0 Shoreham will.be contacted no later T

than Oct. 17, 1984.

U

.b. (An~ inspection program and corrective program, if needed, will be established.'

- The-Louis Allis. contact for all inspection and corrective action will be:

'Mr. H.A.:Schreiber'.

. Manager, Customer Service u

Louis.~Allis Division of Magnetek, Inc.

427:E. Stewart St..

Milwaukee, WI 53201 Telephone (414) 481-6000, Ext. 216

-Very truly yours, khff;==

' Cal.C. Cummins

.Vice. President - Engineering CCC/dkh.

.cc: Louis Allis:

~

b.-

. E. klessig t

'H. Schreiber.

J..Borman-

.B.:Hein-D.TParkinson Nuclear Regulatory Commission:

Mr. James P. O'Reilly U.S. Nuclear Regulatory Commission

.1011Maritta St., Suite 3100

.[

Atlanta,' GA 30303 h,

Mr. Thomas Nurley U.S. Nuclear Regulatory Commission 631 Park Ave.

[

King of Prussia, PA 19406 b

p A

.a

>

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