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| case reference number = REF-PT21-78-048-000 | | case reference number = REF-PT21-78-048-000 | ||
| document report number = NUDOCS 8001150845 | | document report number = NUDOCS 8001150845 | ||
| document type = REPORTABLE OCCURRENCE REPORT (SEE ALSO AO | | document type = REPORTABLE OCCURRENCE REPORT (SEE ALSO AO LER), TEXT-SAFETY REPORT | ||
| page count = 1 | | page count = 1 | ||
}} | }} | ||
=Text= | =Text= | ||
{{#Wiki_filter:. | {{#Wiki_filter:.. | ||
.w. | |||
x - | |||
.. | 78-0 nooo | ||
,,. - w E.- | |||
IolE-T April 17,1978 NM bbME Serial No. 479 LOWELL E. RCE ce, c,... 4 Docket nu. 30-346 | |||
x - | [7d%[~" | ||
Licenmc Na,. NFF-3 Mr. Ja: es C. Keppler 0 | |||
0 Regional Director, Region III gg Office of Inspection & EnforemenL n | |||
U. S. Nucler.r Regulatory CC:::::lission D | |||
')J | |||
78-0 nooo | - [ | ||
799 Ecosevelt Rcm d U | |||
Serial No. 479 | Ulen Ellyn, Illineis 60137 | ||
Licenmc Na,. NFF-3 Mr. Ja: es C. Keppler | |||
0 | |||
Regional Director, Region III | |||
U. S. Nucler.r Regulatory CC:::::lission | |||
==Dear Mr. Y.eppler:== | ==Dear Mr. Y.eppler:== | ||
In accordance with 10cFR Pnrt 21.11(b), this is a repurt of a defcet-in components inxtslied in the tinvir.-Ece.se Nuclear Powe.r Station Usu.t No.1. | |||
In accordance with 10cFR Pnrt 21.11(b), this is a repurt of a defcet- in components inxtslied in the tinvir.-Ece.se Nuclear Powe.r Station Usu.t No.1. | |||
The co:nponent.. invu tved are the contsirment sir cooler union. | The co:nponent.. invu tved are the contsirment sir cooler union. | ||
The contalument air cooler fans and mornrn wure nupplied by Jof ans with t.ho elucleical installation by Fischbech 6 Fcorc/colgan Electric. | The contalument air cooler fans and mornrn wure nupplied by Jof ans with t.ho elucleical installation by Fischbech 6 Fcorc/colgan Electric. | ||
The detect involved in that t.hu taped electrical teculuations on these Clasa IE notors, within the enntninctunt. do not have the required L,0CA qualificaricas. | The detect involved in that t.hu taped electrical teculuations on these Clasa IE notors, within the enntninctunt. do not have the required L,0CA qualificaricas. | ||
The prev:ent t_utnainations consist of."Scotchfil" Brand Electrinal lasulating Patty covered by Scotch Brand 33t ElecLeical Tate. | The prev:ent t_utnainations consist of."Scotchfil" Brand Electrinal lasulating Patty covered by Scotch Brand 33t ElecLeical Tate. | ||
This condition was discovered thrnugh n-i investigation conducted at our request to deteenine the adequacy ut electrical ccnnectors that are inmen11cd luside the containnent vessel . Th tt Safety hasard which could exist beennnu ut this defect is that it enuld be'emte knpossible to obtsin the c?..tculated snat-T.0CA pre:uure and teciperatura response in the enntainment vessel thrcugh use of the cemenin:nuuL ait cooler units. All three of the contalument air cooler units are af fected by this defect. | This condition was discovered thrnugh n-i investigation conducted at our request to deteenine the adequacy ut electrical ccnnectors that are inmen11cd luside the containnent vessel. Th tt Safety hasard which could exist beennnu ut this defect is that it enuld be'emte knpossible to obtsin the c?..tculated snat-T.0CA pre:uure and teciperatura response in the enntainment vessel thrcugh use of the cemenin:nuuL ait cooler units. All three of the contalument air cooler units are af fected by this defect. | ||
This mnerer wan cuported to your Mr. T. Tambling,on April 14, 1978 vhile he was at the Davis-ncase site. | This mnerer wan cuported to your Mr. T. Tambling,on April 14, 1978 vhile he was at the Davis-ncase site. | ||
The corrective action to be tak.eu is that tha terminations will be ru-worked so as to utilire the rtual ? fied Raynhem series tiCSF hese shrinksbic ruhing. This work will he done durir.g the nnxt scheduled outage presenLly planned en carnence on April 28,197d. Tne steriam superintendent has been requested to maintain tha containmene nprny nystema operable until the outage. | The corrective action to be tak.eu is that tha terminations will be ru-worked so as to utilire the rtual ? fied Raynhem series tiCSF hese shrinksbic ruhing. This work will he done durir.g the nnxt scheduled outage presenLly planned en carnence on April 28,197d. | ||
Tne steriam superintendent has been requested to maintain tha containmene nprny nystema operable until the outage. | |||
This infor:2ation has not been given to other licensees or purch:.n:urs. | This infor:2ation has not been given to other licensees or purch:.n:urs. | ||
Ynurm very Ltuly, | Ynurm very Ltuly, 1 | ||
THE Tuthuo CDtGCN CCWaNY | ArR.'' J 197g | ||
go01150@96 | .l & I f | ||
THE Tuthuo CDtGCN CCWaNY Pnte.1:N l'LA.! A 300 MADISCN AVENUE TCL*DO. CHto Gt2.. | |||
go01150@96 S}} | |||
Latest revision as of 21:43, 1 January 2025
| ML19317F531 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 04/17/1978 |
| From: | Roe L TOLEDO EDISON CO. |
| To: | |
| References | |
| REF-PT21-78-048-000 NUDOCS 8001150845 | |
| Download: ML19317F531 (1) | |
Text
..
.w.
x -
78-0 nooo
,,. - w E.-
IolE-T April 17,1978 NM bbME Serial No. 479 LOWELL E. RCE ce, c,... 4 Docket nu.30-346
[7d%[~"
Licenmc Na,. NFF-3 Mr. Ja: es C. Keppler 0
0 Regional Director, Region III gg Office of Inspection & EnforemenL n
U. S. Nucler.r Regulatory CC:::::lission D
')J
- [
799 Ecosevelt Rcm d U
Ulen Ellyn, Illineis 60137
Dear Mr. Y.eppler:
In accordance with 10cFR Pnrt 21.11(b), this is a repurt of a defcet-in components inxtslied in the tinvir.-Ece.se Nuclear Powe.r Station Usu.t No.1.
The co:nponent.. invu tved are the contsirment sir cooler union.
The contalument air cooler fans and mornrn wure nupplied by Jof ans with t.ho elucleical installation by Fischbech 6 Fcorc/colgan Electric.
The detect involved in that t.hu taped electrical teculuations on these Clasa IE notors, within the enntninctunt. do not have the required L,0CA qualificaricas.
The prev:ent t_utnainations consist of."Scotchfil" Brand Electrinal lasulating Patty covered by Scotch Brand 33t ElecLeical Tate.
This condition was discovered thrnugh n-i investigation conducted at our request to deteenine the adequacy ut electrical ccnnectors that are inmen11cd luside the containnent vessel. Th tt Safety hasard which could exist beennnu ut this defect is that it enuld be'emte knpossible to obtsin the c?..tculated snat-T.0CA pre:uure and teciperatura response in the enntainment vessel thrcugh use of the cemenin:nuuL ait cooler units. All three of the contalument air cooler units are af fected by this defect.
This mnerer wan cuported to your Mr. T. Tambling,on April 14, 1978 vhile he was at the Davis-ncase site.
The corrective action to be tak.eu is that tha terminations will be ru-worked so as to utilire the rtual ? fied Raynhem series tiCSF hese shrinksbic ruhing. This work will he done durir.g the nnxt scheduled outage presenLly planned en carnence on April 28,197d.
Tne steriam superintendent has been requested to maintain tha containmene nprny nystema operable until the outage.
This infor:2ation has not been given to other licensees or purch:.n:urs.
Ynurm very Ltuly, 1
ArR. J 197g
.l & I f
THE Tuthuo CDtGCN CCWaNY Pnte.1:N l'LA.! A 300 MADISCN AVENUE TCL*DO. CHto Gt2..
go01150@96 S