ML20056C206

Forwards LERs 93-007-00 & 93-008-00

ML20056C206
Person / Time
Site:	Cooper
Issue date:	04/22/1993
From:	Gardner R NEBRASKA PUBLIC POWER DISTRICT
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20056C207	List: 05000298/LER-1993-007, :on 930326,determined That ECCS Pump Compartment Cooler Power Supply Design Defect Could Have Prevented Adequate Containment Heat Removal.Caused by Design Errors.Mods Planned to Provide Convection Cooling 05000298/LER-1993-008, :on 930328,4,160-volt Breakers 1BG,1GB & 1GE Tripped Due to Actuation of 1GS Breaker Lockout Relay.Caused by Oversight in Design Change Installation Instructions. Work Stopped & Design Change Implemented ML20056C206
References
CNSS933087, NUDOCS 9305110004
Download: ML20056C206 (1)

Text

{{#Wiki_filter:r N Nebraska Public Power District COOPER NUCLEAR ST ATioN "' " * "A*c" *"~I%h %""O** '"" i CNSS933087 April 22, 1993 a s 0.S. Nuclear Regulatory Commission -Document Control Desk Washington, D.C. 20555

Dear Sir:

Cooper Nuclear Station Licensee Event Reports 93-007 and 93-008, both Revision 0., are being forwarded as an attachment to this-letter. [ Sincerely,

i R. L. Gardner Plant Manager' RLG:Ju Attachment cc:

J. L. Milhoan G. R. Horn + J. M. Meacham -{ R. E. Wilbur V.'L. Wolstenholm y D. A. Whitman INPO Records Center NRC Resident Inspector R. J. Singer. j CNS Training CNS Quality Assurance-i i 'l, p+M. s 060114 1 9305110004 930422:. PDR-ADOCK~.05000298 ,S PDR-}}