ML18038A373

Forwards Rev 1 to Root Cause Rept for Exide Uninterruptible Power Supplies (UPS) 1A,B,C,D & G Trip Event of 910813 & Responses to Root Cause Analysis,Short Term Corrective Plan,Load Lists & Procedures & Training

Date released: 06/30/2017	Download: ML18038A373

Niagara Mohawk Nine Mile Point Unit 2 Event of 910813.

ML18038A375
Person / Time
Site:	Nine Mile Point
Issue date:	09/05/1991
From:	Crenshaw M GENERAL ELECTRIC CO.
To:
References
CON-IIT07-751-91, CON-IIT7-751-91
Download: ML18038A375 (134)

Rev 1 to Root Cause Rept for Exide UPS 1A,B,C,D & G Trip Event of 910813. Electrical Fault on B Phase Main step-up Transformer Occurred Due to Improper Design.Logic Power Supply for Subj UPS Units to Be Modified

ML18038A374
Person / Time
Site:	Nine Mile Point
Issue date:	09/09/1991
From:	Conway J, Darweesh J, Spadafore J NIAGARA MOHAWK POWER CORP.
To:
References
CON-IIT07-602-91, CON-IIT07-751-91
Download: ML18038A374 (116)

Forwards Rev 1 to Root Cause Rept for Exide Uninterruptible Power Supplies (UPS) 1A,B,C,D & G Trip Event of 910813 & Responses to Root Cause Analysis,Short Term Corrective Plan,Load Lists & Procedures & Training

ML18038A372
Person / Time
Site:	Nine Mile Point
Issue date:	09/10/1991
From:	Sylvia B NIAGARA MOHAWK POWER CORP.
To:	VARGA S A NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM), Office of Nuclear Reactor Regulation
References
CON-IIT07-601-91, CON-IIT7-601-91
Download: ML18038A372 (15)