ML042960474

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E-mail from Gerald Sowers to David P. Loveless, Subject Gas Turbine Failures
ML042960474
Person / Time
Site: Palo Verde  Arizona Public Service icon.png
Issue date: 06/29/2004
From: Sowers G
Arizona Public Service Co
To: David Loveless
Office of Nuclear Reactor Regulation
References
FOIA/PA-2004-0307
Download: ML042960474 (2)


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From:

<GSOWERS©apsc.com>

To:

<dplnrc.gov>

Date:

Tue, Jun 29, 2004 2:35 PM

Subject:

Gas Turbine Failures

David, I said I would send more descriptive data on our gas turbine failures.

The numbers may not be completely consistent with what I provided earlier because we have changed rules for counting valid demands and failures. They should be similar.

Failure to Start Year Demands Failures 1993 16 3

1994 63 6

1995 54 3

1996 80 6

1997 73 3

1998 47 4

1999 33 0

2000 48 3

2001 35 0

2002 33 0

2003 44 0

2004 8

0 Failure to Run Year Failures 1993 0

1994 0

1995 0

1996 2

1997 0

1998 0

1999 0

2000 0

2001 0

2002 0

2003 1

2004 0

Gerald W. Sowers PRA Section Leader Palo Verde Nuclear Generating Station Phone: 623-393-5647 gsowers © apsc.com CC:

<WHARNDEN @ apsc.com>, <MHULET~apsc.com>, <BLINDQUI @ apsc.com>

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David, I said I would send more descriptive data on our gas turbine failures.

The numbers may not be completely consistent with what I provided earlier because we have changed rules for counting valid demands and failures. They should be similar.

Failure to Start Year Demands Failures 1993 16 3

1994 63 6

1995 54 3

1996 80 6

1997 73 3

1998 47 4

1999 33 0

2000 48 3

2001 35 0

2002 33 0

2003 44 0

2004 8

0 Failure to Run Year Failures 1993 0

1994 0

1995 0

1996 2

1997 0

1998 0

1999 0

2000 0

2001 0

2002 0

2003 1

2004 0

Gerald W. Sowers PRA Section Leader Palo Verde Nuclear Generating Station Phone: 623-393-5647 gsowers@apsc.com