ENS 48238: Difference between revisions

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| event date = 08/28/2012 03:32 EDT
| event date = 08/28/2012 03:32 EDT
| last update date = 08/28/2012
| last update date = 08/28/2012
| title = Automatic Reactor Trip Following Failure Of A Feedwater Regulating Valve
| title = Automatic Reactor Trip Following Failure of a Feedwater Regulating Valve
| event text = On August 28, 2012, Watts Bar Nuclear Plant Unit 1 reactor automatically tripped due to low level in steam generator (SG) #2. The low level resulted when the Main Feedwater Control Valve for SG#2 (1-FCV-3-48) failed closed. This is being reported under 10CFR 50.72 (b)(2) (iv) (B).
| event text = On August 28, 2012, Watts Bar Nuclear Plant Unit 1 reactor automatically tripped due to low level in steam generator (SG) #2. The low level resulted when the Main Feedwater Control Valve for SG#2 (1-FCV-3-48) failed closed. This is being reported under 10CFR 50.72 (b)(2) (iv) (B).
Concurrent with the reactor trip the Auxiliary Feedwater system actuated as designed. This is being reported under 10CFR 50.72(b)(3) (iv)(A).
Concurrent with the reactor trip the Auxiliary Feedwater system actuated as designed. This is being reported under 10CFR 50.72(b)(3) (iv)(A).

Latest revision as of 21:03, 1 March 2018

ENS 48238 +/-
Where
Watts Bar Tennessee Valley Authority icon.png
Tennessee (NRC Region 2)
Reporting
10 CFR 50.72(b)(2)(iv)(B), RPS Actuation

10 CFR 50.72(b)(3)(iv)(A), System Actuation
Time - Person (Reporting Time:+-1.32 h-0.055 days <br />-0.00786 weeks <br />-0.00181 months <br />)
Opened: Michael Bottorff
06:13 Aug 28, 2012
NRC Officer: Pete Snyder
Last Updated: Aug 28, 2012
48238 - NRC Website
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