ENS 41617

v t e ENS Event
22:51 Apr 19, 2005
Title	Degraded Condition Found at Waterford Unit 3
Event Description	Waterford Unit 3 shutdown on 4/17/2005 at approximately 0047 hrs to begin refueling outage 13. During performance of the Alloy 600 Program pressurizer "bare metal" inspection, a small amount of boric acid was discovered in the annulus around Pressurizer heater sleeves C4 and D2. Entergy had already planned to weld repair/replace the Alloy 600 pressurizer sleeves and remaining Alloy 600 small bore instrument penetrations using Alloy 690 materials during this refueling outage. This condition constitutes a degradation of the RCS Pressure Boundary and is reportable in accordance with 10 CFR 50.72(b)(3)(ii)(A) with a required followup written Licensee Event Report in accordance with 10 CFR 50.73(a)(2)(ii)(A). The NRC Resident Inspector has been notified.

ENS 41617 +/-
Where
Waterford Louisiana (NRC Region 4)
Reporting

10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded
LER:	05000382/LER-2005-001 Regarding RCS Pressure Boundary Leakage Due to Primary Water Stress Corrosion Cracking of a Pressurizer Heater Sleeve
Time - Person (Reporting Time:+-0.6 h-0.025 days <br />-0.00357 weeks <br />-8.2188e-4 months <br />)
Opened:	Ronald L. Williams 22:15 Apr 19, 2005
NRC Officer:	Wesley Held
Last Updated:	Apr 19, 2005
41617 - NRC Website Loading map...
v • d • e

v t e Emergency Notification System
Waterford with 10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded
WEEKMONTHYEAR2023-11-05T16:33:00 [Table view]
[ENS list for Waterford]

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