ML17304B368

Forwards Rev 1 to Justification for Continued Operation Control Element Assembly Drop Events, Per Unit 1 881210 Slippage Experience

ML17304B368
Person / Time
Site:	Palo Verde
Issue date:	07/27/1989
From:	Conway W ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17304B369	List: ML17304B368
References
161-02143-WFC-R, 161-2143-WFC-R, NUDOCS 8908090077
Download: ML17304B368 (4)

Text

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ACCESSION NBR:8908090077 DOC.DATE: 89/07/27 NOTARIZED: NO DOCKET FACIL:STN-50-528 Palo Verde Nuclear Station, Unit 1, Arizona Publi 05000528 STN-50-529 Palo Verde Nuclear Station, Unit 2, Arizona Publi 05000529 STN-50-530 Palo Verde Nuclear Station, Unit 3, Arizona Publi 05000530 AUTH.NAME AUTHOR AFFILIATION CONWAY,,W.F.

Arizona Public Service Co.

(formerly Arizona Nuclear Power RECIP.NAME RECIPIENT AFFILIATION R

Document Control Branch (Document Control. Desk)

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SUBJECT:

Forwards Rev 1 to "Justification for Continued Operation CEA Drop Events," per 881210 slippage experience.

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PHOENIX, ARIZONA85072<999 WILLIAMF. CONWAY EXECUTIVEVICE PRESIDENT NUCLEAR 161-02143-LJFC/RAB July 27, 1989 Docket Nos.

STN 50-528/529/530 Document Control Desk U.

S. Nuclear Regulatory Commission Mail Station Pl-137 Washington, D.

C.

20555

Subject:

Palo Verde Nuclear Generating Station (PVNGS)

Units 1, 2 and 3

Justification for Continued Operation as a

Result of CEA Drop Events, Revision 1

File:

89-A-056-026 Attached please find the Justification for Continued Operation (JCO) prepared as a result of the multiple Control Element Assembly (CEA) slippage experienced in'nit 1 on December 10, 1988.

This document was prepared after an extensive test program to determine the cause of the event and was originally forwarded to, the NRC by letter dated June 19, 1989 (Letter No.

161-02037-WFC/RAB).

Revision 1

contains additional information to address NRC Staff comments following review of the original issue of the JCO.

If you have any further questions, please call Carter Rogers at (602) 371-4041.

Sincerely, WFC/RAB/5le Attachment cc:

J.

B.

T. L.

M. J.

T. J.

A. C.

Martin Chan Davis Polich Gehr

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