United States Nuclear Regulatory Commission - Protecting People and the Environment

INTEGRATED RESOURCES INC.      28585 03-24-95 OTH
LICENSEE: INTEGRATED RESOURCES INC.          
SITE: .INTEGRATED RESOURCES INC.     .        EN NUMBER:28585
DOCKET:                                  EVENT DATE: 03-24-95
RX TYPE:                                 EVENT TIME: 16:16
VENDORS:                                NOTIFY DATE: 03-24-95
EMERGENCY CLASS: N/A  REGION: 4 STATE: NE      TIME: 16:16
OPS OFFICER: DOUG WEAVER              
10 CFR SECTION: CDEF  21.21(b)(2)         DEFECTS/NONCOMPLIANCE

PART 21 -- POWER SUPPLIES USED IN APRMs ARE SUBJECT TO RANDOM    
FAILURES                                                         
                                                                 
THE POWER SUPPLIES IN QUESTION WERE BUILT BY TDK OF JAPAN AND    
SUPPLIED TO KEPCO, INC. THE KEPCO PART NUMBER IS RMX24-D-20804.  
KEPCO SOLD THE PARTS TO GE. THE GE PART NUMBER IS 169C8805PO2.   
                                                                 
INTEGRATED RESOURCES RECEIVED THE POWER SUPPLIES FROM PERRY AND  
NINE MILE POINT TWO FOR REFURBISHMENT AND REPAIR. FOUR OF TWELVE 
POWER SUPPLIES HAD FAILED IN USE.  TWO MORE FAILED DURING TESTING
AT INTEGRATED RESOURCES. ALL FAILURES WERE CAUSED BY THE FAILURE 
OF TWO OUTPUT TRANSISTORS IN THE POWER SUPPLIES.  OTHER PLANTS OF
THIS VINTAGE MAY ALSO BE USING THIS POWER SUPPLY.  WHEN THIS     
FAILURE OCCURS THE APRM WILL FAIL DOWNSCALE.                     
                                                                 
THE CONTACT PHONE NUMBER IS 402-873-5859.  INTEGRATED RESOURCES  
WILL FOLLOWUP THIS PHONE REPORT WITH A WRITTEN REPORT ON 3/27/95.
                                                                 
* * * UPDATE 3/27/95 @ 14:19 FROM BROSEMER TAKEN BY SEBROSKY * * 
*                                                                
                                                                 
INTEGRATED RESOURCES FAXED THE WRITTEN REPORT ON THIS PROBLEM TO 
THE NRC OPERATIONS CENTER.  WALTER HAASS OF NRR HAS BEEN         
NOTIFIED.                                                        
                                                                 
* * * UPDATE AT 1135 ON 04/26/95 FROM BROSEMER TAKEN BY HOO      
JOLLIFFE * * *                                                   
                                                                 
INTEGRATED RESOURCES, INC. FAXED A STATUS REPORT OF THIS 10CFR21 
REPORT TO THE NRR OPERATIONS CENTER.  HOO NOTIFIED NRR VERN      
HODGE.                                                           

Page Last Reviewed/Updated Thursday, March 29, 2012