PNO-II-13-004, A - Browns Ferry, Unit 1, Update-Unplanned Shutdown Greater than 72 Hours Due to Reactor Feedwater Heater Level Control Line Leak

From kanterella
Jump to navigation Jump to search
PNO-II-13-004A - Browns Ferry, Unit 1, Update-Unplanned Shutdown Greater than 72 Hours Due to Reactor Feedwater Heater Level Control Line Leak
ML13087A401
Person / Time
Site: Browns Ferry Tennessee Valley Authority icon.png
Issue date: 03/27/2013
From: Eugene Guthrie, Kontz C
Reactor Projects Region 2 Branch 6
To:
References
PNO-II-13-004A
Download: ML13087A401 (1)


March 27, 2013 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE - PNO-II-13-004A This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. Some of the information may not yet be fully verified or evaluated by the Region II staff. (Atlanta, Ga)

Facility Licensee Emergency Classification Browns Ferry, Unit 1 ___ Notification of Unusual Event Tennessee Valley Authority (TVA) ___ Alert Athens, Al ___ Site Area Emergency Docket: 50-259 ___ General Emergency

_X_ Not Applicable

SUBJECT:

UPDATE - UNPLANNED SHUTDOWN GREATER THAN 72 HOURS DUE TO REACTOR FEEDWATER HEATER LEVEL CONTROL LINE LEAK This preliminary notification supplements the information in PNO-II-13-004. At 4:02 a.m. CDT, on March 19, 2013, the Browns Ferry Unit 1 reactor was manually scrammed due to lowering main condenser vacuum caused by a leak in a feedwater heater level control line.

After making repairs to the feedwater system, the licensee plans to commence the startup of Browns Ferry Unit 1 on March 27, 2013. The unit was shut down for eight days to complete the repairs.

This preliminary notification is issued for information only and no further action by the staff is anticipated. Region II received the information from the licensee via notification of the Resident Inspector and Event Notification (48829). The state of Alabama has been notified via telephone. The information presented herein has been discussed with the licensee, and is current as of 12:00 a.m. on March 27, 2013.

Contact:

Craig Kontz Eugene Guthrie (404) 997-4515 (404)997-4662 Craig.Kontz@nrc.gov Eugene.Guthrie@nrc.gov