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=Text=
=Text=
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C' 3 U:O D LETGV.'N. F.'N.
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S'.*LVAN: A 17037 TEL EPMO N;i717-C4 :-c M Ac;ust 23, 1975
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IS.;C5 , Cp: rating Liccase C?R-53 U,cket 50-2:9
iT C r~ F : O' _ .? "J .       C' 3 U:O D LETGV.'N. F.'N. S'.*LVAN: A 17037                                   TEL EPMO N;i717-C4 :-c M Ac;ust 23, 1975
              !: . J.P.         C'~ illy C-:;-- r         .     : .2 J. ;lcto:y C;;;: ctic.ns o      na QU R, i':     .c :s 1                                                                         r          n 0~.i ;-c r;:           rn                                                                   9  Oj,% '$3 D
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==Subject:==
==Subject:==
f.Snamai Occurrence I;o. AD 75-28 Daar I:r. O'P.cilly:-
f.Snamai Occurrence I;o. AD 75-28 Daar I:r. O'P.cilly:-                                                                                                           .
.This teingra a is to confim tha cont'orsation between Lee Spassard (T.:-ica I-!:IC) and J.J. Colitz (T 'l Unit 1 Supertr. ten:"ont) at 10C0 hcurs on 23 ; July r_sG.
This teingra a is to confim tha cont'orsation between Lee Spassard (T.:-ica I-!:IC) and J.J. Colitz (T 'l Unit 1 Supertr. ten:"ont) at 10C0 hcurs on 23 ; July r_sG.
The folicaing rep 0rt is sch.zittcd in accordance with paragraph 1.3.d (page 1-C) of the Technical Specifications.
The folicaing rep 0rt is sch.zittcd in accordance with paragraph 1.3.d (page 1-C) of the Technical Specifications.
On Aunust 20. D75 the Turbine Driven Emergency Feed Pump was run for Serveillanct Tes tir.g.
On Aunust 20. D75 the Turbine Driven Emergency Feed Pump was run for Serveillanct Tes tir.g. The pump cperated successfully on steam supplied frco A Steca Generacor thrct.gn P.3 V13,L.L' hen an attc pt was cade to test the picp on ste .a suppvied frca the B Steam Generator, the associated valve, t3 V133, opened in response to pressing the opan pushbutton but closed when the open pushbutten tas re-1er. sed.
The pump cperated successfully on steam supplied frco A Steca Generacor thrct.gn P.3 V13,L.L' hen an attc pt was cade to test the picp on ste .a suppvied frca the B Steam Generator, the associated valve, t3 V133, opened in response to pressing the opan pushbutton but closed when the open pushbutten tas re-1er. sed.Investigaflon revealed a failed pressure switch.
Investigaflon revealed a failed pressure switch. The failed press.r0                                                                       switch would havc, prevented the valve opening on an autcr tic start signfi.
The failed press.r0 switch would havc, prevented the valve opening on an autcr tic start signfi.
The pressure switch was replaced and the Turbine Driven Feed Fc-> t ; successfulb~
The pressure switch was replaced and the Turbine Driven Feed Fc-> t ; successfulb~
tested an stea:t supplied from the a steam Gc cratc:r vithin the 4.' ~.r ailc.::ble tic? period.
tested an stea:t supplied from the a steam Gc cratc:r vithin the 4.' ~               -
-,;.., e.s>, , Vcr$?. :.
                                                                                                                                                  .r ailc.::ble tic? period.                                                                           ,                ,;..                         >
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~#Ur.it 1 Superintandant
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J.I.Colit'I               ~
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Ur.it 1 Superintandant                             ,
0:C/C...
                                                                                                                                                                ~
1476     177             .
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Latest revision as of 06:04, 2 February 2020

Abnormal Occurrence 75-28:on 750820,during Test of Turbine Drive Emergency Feed Pump,Associated Valve Failed to Remain Open.Caused by Failed Pressure Switch
ML19210A184
Person / Time
Site: Three Mile Island Constellation icon.png
Issue date: 08/23/1975
From: Colitz J
METROPOLITAN EDISON CO.
To:
Shared Package
ML19210A182 List:
References
NUDOCS 7910240906
Download: ML19210A184 (2)
v • d • e


Text

. .

! ..._~.-_..

I / r l . .,

y G.

. . , ./ i

.: n :.v.w;v cr cu.:nu rucuc unanes cer .u: . . - :

.-. .......w.... ~.,C.. , ,.

/

iT C r~ F : O' _ .? "J . C' 3 U:O D LETGV.'N. F.'N. S'.*LVAN: A 17037 TEL EPMO N;i717-C4 :-c M Ac;ust 23, 1975

!: . J.P. C'~ illy C-:;-- r .  : .2 J. ;lcto:y C;;;: ctic.ns o na QU R, i': .c :s 1 r n 0~.i ;-c r;: rn 9 Oj,% '$3 D

King cfa. ; ia,Pa. IS.;C5 Cp: rating Liccase C?R-53 U,cket 50-2:9

Subject:

f.Snamai Occurrence I;o. AD 75-28 Daar I:r. O'P.cilly:- .

This teingra a is to confim tha cont'orsation between Lee Spassard (T.:-ica I-!:IC) and J.J. Colitz (T 'l Unit 1 Supertr. ten:"ont) at 10C0 hcurs on 23 ; July r_sG.

The folicaing rep 0rt is sch.zittcd in accordance with paragraph 1.3.d (page 1-C) of the Technical Specifications.

On Aunust 20. D75 the Turbine Driven Emergency Feed Pump was run for Serveillanct Tes tir.g. The pump cperated successfully on steam supplied frco A Steca Generacor thrct.gn P.3 V13,L.L' hen an attc pt was cade to test the picp on ste .a suppvied frca the B Steam Generator, the associated valve, t3 V133, opened in response to pressing the opan pushbutton but closed when the open pushbutten tas re-1er. sed.

Investigaflon revealed a failed pressure switch. The failed press.r0 switch would havc, prevented the valve opening on an autcr tic start signfi.

The pressure switch was replaced and the Turbine Driven Feed Fc-> t ; successfulb~

tested an stea:t supplied from the a steam Gc cratc:r vithin the 4.' ~ -

.r ailc.::ble tic? period. , ,;.. >

e.s ,

, Vcr$?. :. .

.' Q .?&cr ,

J.I.Colit'I ~

~

Ur.it 1 Superintandant ,

0:C/C...

~

1476 177 .

O U

gg10'7A

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