ML20086R864

Inadvertent ESF Actuation Due to Auto Start of Emergency Equipment Cooling Water Pump.Event Occurred as Result of Jumpering Wrong Relay Contacts During Performance of Surveillance Instruction

ML20086R864
Person / Time
Site:	Browns Ferry
Issue date:	07/28/1995
From:	Machon R TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20086R868	List: 05000259/LER-1995-001, Forwards LER 95-001 Re Inadvertent ESF Actuation Due to Auto Start of Emergency Equipment Cooling Water Pump.Event Occurred as Result of Jumpering Wrong Relay Contacts During Performance of Surveillance Instruction 05000259/LER-1995-001-04, :on 950629,EECW Pump Auto Started During Performance of SI as Result of Jumpering Wrong Relay Contacts Due to Personnel Error.Field Wiring for EECW Pump B1 Modified ML20086R864
References
NUDOCS 9508010020
Download: ML20086R864 (2)

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, p Tennessee Vatiey Authonty, Post Office Box 2000, Decstar A;abama 35609 2000 R. D. (Rick) Machon Voe Presdont, Browns Fe ry Nuckur Piam July 28, 1995 U.S.

Nuclear Regulatory Commission 10 CFR 50.73 ATTN:

Document Control Desk Washingtcn, D.C.

20555

Dear Sir:

BROWNS FERRY NUCLEAR PLANT (BFN) - UNITS 1, 2, AND 3 - DOCKET NOS. 50-259, 50-260, AND 50-296 - FACILITY OPERATING LICENSE DPR-33, 52, AND 68 - LICENSEE EVENT REPORT 50-259/95001 The enclosed report provides details concerning an inadvertent Engineered Safety Feature (ESF) actuation due to an auto start of an emergency equipment cooling water pump.

j This event occurred as a result of jumpering the wrong relay

]

contacts during the performance of a surveillance instruction.

This report is submitted in accordance with 10 CFR 50.73 (a) (2) (iv) as an event or condition that resulted in an j

automatic actuation of any ESF.

j Since y,

g 4 nge, th %n

~

R.

D.

Machon Site Vice President Enclosure cc:

See page 2 0.I0087 9509010020 950728

{DR ADOCK 05000259

_{, fi2.JL PDR Jg g

! r l

U.S.' Nuclear Regulatory Commission

' Page 2 July 28, 1995 i

Enclosure cc (Enclosure):

INPO Records Center

)

700 Galleria Parkway Atlanta, Georgia 30339 Paul Krippner American Nuclear Insurers Town Center, Suite 300S 29 South Main Street West Hartford, Connecticut 06107 NRC Resident Inspector Browns Ferry Nuclear Plant

)

Route 12, Box 637 Athens, Alabama 35611 Regional Administrator U.S.

Nuclear Regulatory Commission Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323 Mr. J.

F. Williams, Project Manager U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852