ML070960482

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PNO-I-07-004: Notification of Unusual Event (NOUE) Due to Fire in 'B' Phase Main Power Transformer at Indian Point Unit 3
ML070960482
Person / Time
Site: Indian Point Entergy icon.png
Issue date: 04/06/2007
From: Cobey E W, Dan Orr
NRC Region 1
To:
Cobey, Eugene W. RI/DRP/PB2/610-337-5171
References
PNO-I-07-004
Download: ML070960482 (3)


Text

DCS No.: 05000286040607Date: April 6, 2007PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE - PNO-I-07-004This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or publicinterest significance. The information is as initially received without verification or evaluation, and is basically all that is known by the Region I staff on this date.FacilityLicensee Emergency ClassificationEntergy Nuclear Operations, Inc. X Notification of Unusual EventIndian Point Unit 3 AlertBuchanan, NY Site Area Emergency General EmergencyDocket: 50-286 Not Applicable

Subject:

NOTIFICATION OF UNUSUAL EVENT (NOUE) DECLARED DUE TO FIRE IN'B' PHASE MAIN POWER TRANSFORMER AT INDIAN POINT UNIT 3On April 6, 2007, at 11:43 a.m., Entergy declared an Unusual Event at Indian Point Unit 3following a transformer failure and fire. The Unusual Event declaration was based on eyewitness reports from plant personnel that noted an explosion preceding the fire from the 'B' phase main power transformer at 11:09 a.m. The 'B' phase main power transformer is located in the transformer yard outside the turbine building and adjacent to the containment and primary auxiliary buildings. Deluge fire protection systems automatically actuated and the onsite fire brigade promptly responded with foam fire-fighting equipment. Entergy requested offsite fire fighting assistance through mutual aid agreements. Offsite fire trucks responded; however their assistance was not required to extinguish the fire and they did not enter the plant protected area. The fire was out in about eight minutes. The Unusual Event was terminated at 12:47 p.m. Safety related equipment and structures and offsite power sources were not impacted by this fire. There were no personnel injuries reported due to the fire.The 'B' main power transformer failure resulted in an automatic reactor trip. The reactor tripwas uncomplicated and the plant was stabilized with decay heat removal being provided through the main condenser. The NRC Indian Point resident inspectors were on site and promptly responded to the central control room and the transformer yard. The NRC staff is continuing to assess the licensee's response to this event and the level of inspection followup warranted. NRC Region I, in King of Prussia, PA, has contacted the appropriate New York state agencies, informed county and local officials, and coordinated with the NRC Office of Congressional Affairs to notify the New York congressional delegation. The NRC staff alsoconducted a briefing for federal, state, county and local government stakeholders. Significant media inquiries are being received by the Region I Public Affairs Office. Entergy also reported that media trucks have arrived at the site and helicopters believed to be media were sighted.

Both NRC and Entergy have issued press releases.The information presented herein has been discussed with Entergy and is current as of April 6,2007 at 2:30 p.m.This preliminary notification is issued for information only and no further preliminary notificationupdate by the staff is anticipated.

Contacts:E. CobeyD. Orr(610) 337-5171(610) 337-5048 ewc@nrc.govjdo@nrc.gov DISTRIBUTIONS: BY EMAIL:OWFNChairman KleinComm. Lyons Comm. Jazcko Comm. McGaffigan Jr.

Comm. Merrifield

OIG OIP OCA OGC OPA EDO OE NRR SECY NMSS OIG RES ACRS FSME NRO NSIR Regional OfficesBY FAX:DOT: Trans INPO NSAC RI Resident OfficeADAMS Accession Number: ML070960482 SUNSI Review Complete: EWC (Reviewer's Initials)DOCUMENT NAME: C:\FileNet\ML070960482.wpdAfter declaring this document "An Official Agency Record" it will be released to the Public.To receive a copy of this document, indicate in the box:

" C" = Copy withoutattachment/enclosure " E" = Copy with attachment/enclosure " N" = No copyOFFICERI/DRP RI/ORARI/DRPNAMEECobey/EWCRBarkley/RSB JClifford/DATE04/06/0704/06/0704/06/07OFFICIAL RECORD COPY