ML17272A591

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Forwards Deficiency Rept Re Turbocharger Thrust Bearing of Diesel Engines in Onsite Emergency Power & HPCS Sys
ML17272A591
Person / Time
Site: Columbia Energy Northwest icon.png
Issue date: 08/02/1979
From: Renberger D
WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To: Engelken R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
Shared Package
ML17272A592 List:
References
GO2-79-137, NUDOCS 7908200361
Download: ML17272A591 (3)


Text

REGULATORY INFORMATION DISTRIBUTION S STEM (RIDS)

ACCESSION NBR 7908200361 DOC ~ DATE 79/08/02 NOTAR lED NO FACIL;50 397 WPPSS Nuclear Projects Unit 2i Washington Public Powe AUTH,NAME AUTHOR AFFILIATION RENBERGER,D,L, Washington Public Power Supply System RECIP,NAME RECIPIENT AFFILIATION ENGELKENeRRHs Region SP San Francisco~

Office of the Director DOCKET 05000397

SUBJECT:

Forwards deficiency rept re Turbo charger thrust bearing of diesel engines'n onsite emergenc'y power sys 8

HPCS sys, DISTRIBUTION CODE:

SOISS COPIES RECEIVED:LTR jENCL J.

SIZE:f,~/

TITLE: CONSTRU(TION DEFICIENCY REPORT (10CFR50

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RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME CTTR ENCL ID CODE/NAME LTTR ENCL ACTION; 10 PM % 4ypg 1

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1 21 AD~Mr 1

1 INTERNAL:

0 05 I8E 08 MPA 10 QAB 12 JORDANgE/IE 16 AD FOR ENGR 17 AD REAC SFTY 22 DIR DPM AD/SITE TECH GEOSC IENCES BR MECH ENG BR STRUCT ENG BR EXTERNAL: 03 LPDR 24 ACRS 1

1 2

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STAFf" 09 DEPY DIR DPM 11 STANDRDS DEY 13FIELD COOR/IE 17 AD PLANT SYS 19 AD SYS/PROJ 23 OELD DIRECTOR DSE MATL ENG BR S

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V/ashington Public Power Supply System A JOINT OPERATING AGENCY P. O. 50x Q55 3OOO Cco. WAtttttttovoee Wav Rtcttt.*~o. WAIHlttovoN QQ352

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Photic f5OQ) 375 SOOO August 2, 1979 G02-79-137 Nuclear Regulatory Commission Region V

Office of Inspection and Enforcement Suite 202, Walnut Creek Plaza 1900 N. California Boulevard Walnut Creek, California 94596 Attention:

Mr. R. H. Engelken, Director

Subject:

WPPSS NUCLEAR PROJECT NO.

2 DOCKET NO. 50-397, CPPR-93 REPORTABLE DEFICIENCY 10CFR50.55 e

Dear Mr. Engelken:

In accordance with the provisions of 10CFR50.55(e), your staff was informed by telephone on July 17, 1979, of a reportable deficiency involving Electro-Motive Division Diesel Engines in the Diesel Generator onsite emergency power system and the HPCS system.

It has been found that under certain repeat start operating

modes, there is a possibility that the turbo charger thrust bearing could be damaged.

Attached is our report on this deficiency.

If you require additional information, please feel free to contact us.

Very truly yours, D. L.

RENBERGER Assistant Director Technology DLR:WJH:cph

Attachment:

Reportable Deficiency Report cc w/att:

JJ Verderber - BSR JJ Byrnes - B&R CR Bryant - BPA JG Davis, Director, NRC, Wash.

D.C.

WNP-2 Files