ML040210520

Part 21 Report Involving an Undersized Emergency Feedwater Pump Shaft

ML040210520
Person / Time
Site:	Seabrook
Issue date:	01/16/2004
From:	Office of Nuclear Reactor Regulation
To:
References
Download: ML040210520 (2)

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0111612004 U.S. NuclearRegulatory Commission OperationsCenter Event Report Pare Power Reactor Event# 40453 Site: SEABROOK Notification Date / Time: 01/16/2004 08:06 (EST)

Unit: 1 Region: I State: NH Event Date/ Time: 01/15/2004 (EST)

Reactor Type: [1] W-4-LP Last Modification: 01/16/2004 Containment Type: DRY AMB NRC Notified by: MIKE O'KEETH Notifications: DANIEL HOLODY RI HQ Ops Officer: CHAUNCEY GOULD JACK FOSTER Emergency Class: NON EMERGENCY 10 CFR Section:

21.21 UNSPECIFIED PARAGRAPH Unit IScram Code RX Crit Init Power Initial RX Mode Curr Power Current RX Mode 1 N Yes 100 Power Operation 100 Power Operation PART 21 REPORT INVOLVING AN UNDERSIZED EMERGENCY FEEDWATER PUMP SHAFT FPL Energy Seabrook has determined that a Substantial Safety Hazard could exist regarding an undersized Emergency Feedwater Pump shaft in accordance with the requirements of 10CFR21. Therefore, FPL Energy Seabrook is reporting this deficiency to the NRC in accordance with 10CFR21. This Part 21 evaluation documents a deficiency in a rotating assembly for an Emergency Feedwater Pump refurbished at the Flowserve Charlotte Service Center - Charlotte, NC.

The defect was an undersized shaft that was .001 inches smaller than the minimum diameter specified by the vendor. The shaft dimensions are considered to be proprietary by the vendor, so the undersized condition could not be identified by FPL Energy Seabrook personnel prior to installation.

The undersized shaft was discovered during post-maintenance testing following shaft replacement.

The NRC Resident Inspector will be informed.

NAESCO LICENSING 603 773 7740 P.02/02

^. " 'J.N-16-2004 08:43 FPL Energy Seabrook has determined that a Substantial Safety Hazard could exist regarding an undersized Emergency Feedwater Pump shaft in accordance with the requirements of I OCFR2 1.

Therefore, FPL Energy Seabrook is reporting this deficiency to the NRC in accordance with I OCFR2 1. This Part 21 evaluation docunents a deficiency in a rotating assembly for an Emergency Feedwater Pump refurbished at the Flowserve Charlotte Servicc Center - Charlotte, NC.

The defect was an undersized shaft that was .001 inches smaller than the minimum diameter specified by the vendor. The shaft dimensions are considered to be proprietary by the vendor, so the undersized condition could not be identified byFPL Energy Seabrook personnel prior to installation.

The undersized shaft was discovered during post-maintenance testing following shaft replacement.

TOTAL P.02 01/16/2004 FRI 08:10 [TX/RX NO 98071 002