ML042960437

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E-mail from Gerald W. Sowers to David P. Loveless, Subject Gas Turbine Failures
ML042960437
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: ML042960437 (2)


Text

uavIC l-oveiess -.1t:Ai.ntm ro rage i q More Data Gerald W. Sowers PRA Section Leader Palo Verde Nuclear Generating Station Phone: 623-393-5647 gsowers~apsc.com

-Original Message-From: Sowers, Gerald W(Z90174)

Sent: Tuesday, June 29, 2004 12:34 PM To: David Loveless (dpl@nrcgov)

Cc: Hamden Jr, Willard J(Z99687); Hulet, Mark A(Z52238); Undqulst Jr, Robert C(Z60942)

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 Run Hours 1993 0 1994 0 1995 0 1996 2 77.4 1997 0 54.4 1998 0 37.5 1999 0 31.6 sb6 I-'

JAvIC Loveless - i tx i.ntm .- - -

rage !1 2000 0 39.3 2001 0 46.1 2002 0 36.5 2003 1 67 2004 0 7.8 Gerald W. Sowers PRA Section Leader Palo Verde Nuclear Generating Station Phone: 623-393-5647 gsowers@apsc.com