05000461/LER-1996-016, Forwards LER 96-016-01:re Residual Water Covering Portion of Disc/Seat Area During Testing Due to Design Not Allowing Complete Draining Results in Invalid Local Leak Rate Testing of Feedwater Containment Isolation

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Forwards LER 96-016-01:re Residual Water Covering Portion of Disc/Seat Area During Testing Due to Design Not Allowing Complete Draining Results in Invalid Local Leak Rate Testing of Feedwater Containment Isolation
ML20137J857
Person / Time
Site: Clinton Constellation icon.png
Issue date: 03/27/1997
From: Connell W
ILLINOIS POWER CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20137J861 List:
References
U-602717, WC-154-97, NUDOCS 9704040161
Download: ML20137J857 (1)


LER-2096-016, Forwards LER 96-016-01:re Residual Water Covering Portion of Disc/Seat Area During Testing Due to Design Not Allowing Complete Draining Results in Invalid Local Leak Rate Testing of Feedwater Containment Isolation
Event date:
Report date:
4612096016R00 - NRC Website

text

.

lilinois Power Company V 4 Clinton Power Station P.o. Box 678

. Clinton.IL 61727 Tel 217 935-5623 Fax 217 935-4632 Wilfred Connell kMN h Vice President P6WER U 602717 2C.220 WC-154-97 March 27, 1997 Docket No. 50-461 10CFR50.73 Document Control Desk Nuclear Regulatory Commission Washington, D.C. 20555

Subject:

Clinton Power Station - Unit 1 Licensee Event Report No. 96-016-01 Dear Madam or Sir; Enclosed is Licensee Event Rerart No. 96-016-01: Residual Water Coverinn Portion of Disc / Seat Area Durina Testina Due to Desian Not Allowinn Comolete

' Draining Results in Invalid Loca[ Leak Rate Testing ot'Feedwater Containment Isolation Valves The enclosed report has been revised to identify the cause of the event and corrective action, discuss the safety consequences and implications of the event, provide a discussion of similar events, and provide other clarifying information. This report is being submitted in accordance with the requirements of 10CFR50.73.

Sincerely yours, ilfred Connell Vice President RSF/krk Enclosure 0 W l7 cc: NRC Clinton Licensing Project Manager NRC Resident Office, V-690 ,

Regional Administrator, Region III, USNRC y Illinois Department of Nuclear Safety INPO Records Center J

P 9704040161 970327 PDR ADOCK 05000461 s PDR lglgg gg