ENS 42216: Difference between revisions

From kanterella

Latest revision as of 21:19, 1 March 2018

v t e ENS Event
05:00 Dec 7, 2005
Title	Invalid Specified System Actuation - "a" Auxiliary Feedwater
Event Description	This report is being made in lieu of an LER per the guidance of 10CFR50.73(a)(2)(iv)(A). The `A' train Motor Driven Auxiliary Feedwater pump received an invalid auto-start signal due to a failed safeguards driver board in the A train Solid State Protection System (SSPS). This was a complete actuation of the 'A' train of auxiliary feedwater, and all components functioned as designed. The pump was manually secured and no other systems were affected. The plant entered an 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> LCO for an inoperable train of SSPS. The safeguards driver board was replaced and the plant exited the LCO. Investigation of the cause of the card failure is in progress. The licensee notified the NRC Resident Inspector.

ENS 42216 +/-
Where
Farley Alabama (NRC Region 2)
Reporting

10 CFR 50.73(a)(1), Submit an LER, Invalid Actuation
Time - Person (Reporting Time:+347.45 h14.477 days <br />2.068 weeks <br />0.476 months <br />)
Opened:	Richard Wells 16:27 Dec 21, 2005
NRC Officer:	Bill Gott
Last Updated:	Dec 21, 2005
42216 - NRC Website Loading map... {"minzoom":false,"maxzoom":false,"mappingservice":"leaflet","width":"350px","height":"250px","centre":false,"title":"","label":"","icon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"zoom":6,"defzoom":14,"layers":["OpenStreetMap"],"image layers":[],"overlays":[],"resizable":false,"fullscreen":false,"scrollwheelzoom":true,"cluster":false,"clustermaxzoom":20,"clusterzoomonclick":true,"clustermaxradius":80,"clusterspiderfy":true,"geojson":"","clicktarget":"","imageLayers":[],"locations":[{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca class=\"mw-selflink selflink\"\u003EENS 42216\u003C/a\u003E - \u003Ca href=\"/Farley\" title=\"Farley\"\u003EFarley\u003C/a\u003E\n\u003C/p\u003E\u003C/div\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EInvalid Specified System Actuation - \"a\" Auxiliary Feedwater\n\u003C/p\u003E\u003C/div\u003E","title":"ENS 42216 - Farley\n","link":"","lat":31.223047222222224,"lon":-85.11253055555555,"icon":"/w/images/1/14/Southern_Nuclear_icon.png"}],"imageoverlays":null}
v • d • e

v t e Emergency Notification System
Farley with 10 CFR 50.73(a)(1), Submit an LER
WEEKMONTHYEAR2013-02-28T20:36:00 [Table view]
[ENS list for Farley]

@@ Line 16: / Line 16: @@
 | event date = 12/06/2005 23:00 CST
 | last update date = 12/21/2005
-| title = Invalid Specified System Actuation - "A" Auxiliary Feedwater
+| title = Invalid Specified System Actuation - "a" Auxiliary Feedwater
 | event text = This report is being made in lieu of an LER per the guidance of 10CFR50.73(a)(2)(iv)(A).  The `A' train Motor Driven Auxiliary Feedwater pump received an invalid auto-start signal due to a failed safeguards driver board in the A train Solid State Protection System (SSPS).  This was a complete actuation of the 'A' train of auxiliary feedwater, and all components functioned as designed.  The pump was manually secured and no other systems were affected.  The plant entered an 8 hour LCO for an inoperable train of SSPS.  The safeguards driver board was replaced and the plant exited the LCO.  Investigation of the cause of the card failure is in progress.
 The licensee notified the NRC Resident Inspector.