ENS 49553: Difference between revisions

From kanterella

Latest revision as of 21:52, 1 March 2018

v t e ENS Event
13:00 Nov 18, 2013
Title	Ultrasonic Examination Identified Flaw in Reactor Vessel Head Penetration
Event Description	On November 18, 2013, while the Harris Nuclear Plant was shut down for a scheduled refueling outage, the reactor vessel head penetrations were being examined in accordance with lnservice Inspection Program. Ultrasonic examinations identified a flaw in a head penetration nozzle. Bare metal visual inspection of the outer surface of the reactor vessel head revealed no indications of leakage. The unit is in a safe and stable condition and structural integrity of the reactor vessel was maintained. The flaw will be repaired prior to startup from the refueling outage. The flaw and repair have no impact to the health or safety of the public. The NRC Senior Resident Inspector has been informed.

ENS 49553 +/-
Where
Harris North Carolina (NRC Region 2)
Reporting

10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded
Time - Person (Reporting Time:+2.05 h0.0854 days <br />0.0122 weeks <br />0.00281 months <br />)
Opened:	Scott Williamson 15:03 Nov 18, 2013
NRC Officer:	Dong Park
Last Updated:	Nov 18, 2013
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v • d • e

v t e Emergency Notification System
Harris with 10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded
WEEKMONTHYEAR2018-04-11T18:30:00 [Table view]
[ENS list for Harris]

@@ Line 16: / Line 16: @@
 | event date = 11/18/2013 08:00 EST
 | last update date = 11/18/2013
-| title = Ultrasonic Examination Identified Flaw In Reactor Vessel Head Penetration
+| title = Ultrasonic Examination Identified Flaw in Reactor Vessel Head Penetration
 | event text = On November 18, 2013, while the Harris Nuclear Plant was shut down for a scheduled refueling outage, the reactor vessel head penetrations were being examined in accordance with lnservice Inspection Program. Ultrasonic examinations identified a flaw in a head penetration nozzle. Bare metal visual inspection of the outer surface of the reactor vessel head revealed no indications of leakage. The unit is in a safe and stable condition and structural integrity of the reactor vessel was maintained. The flaw will be repaired prior to startup from the refueling outage.
 The flaw and repair have no impact to the health or safety of the public.