Headquarters Daily Report

                         MAY 01, 1996

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                    REPORT             NEGATIVE            NO INPUT
                    ATTACHED           INPUT RECEIVED      RECEIVED

HEADQUARTERS                           û                   
REGION I                               û                   
REGION II           û                                      
REGION III                             û                   
REGION IV                              û                   
PRIORITY ATTENTION REQUIRED  MORNING REPORT - REGION II  MAY  1, 1996

Licensee/Facility:                     Notification:

Carolina Power & Light Co.             MR Number: 2-96-0038
Harris 1                               Date: 05/01/96
Raleigh,North Carolina                                                    
Dockets: 50-400
PWR/W-3-LP                            

Subject: UNIT TURBINE TRIP - REACTOR TRIP DUE TO A FAILED GENERATOR      
         OUTPUT BREAKER DISCONNECT - FOLLOWUP TO EVENT 30370             


Discussion:

On April 25, 1996 at 9:07 p.m., the Harris plant experienced a reactor   
trip following a turbine trip caused by a high resistance fault on the A 
phase of the generator output breaker (52-7) disconnect resulting in a   
failure of the disconnect.  All rods fully inserted and reactor coolant  
pumps remained operational.  Several busses lost power at the time of the
trip and secondary system equipment was secured due to the loss of normal
service water.  A momentary loss of power was sensed on the "B" safety   
bus.  The "B" EDG started and loaded to the bus as expected.  The "A"    
safety bus did not loss power.                                           
                                                                         
The licensee found that the "A" phase disconnect switch blade had not    
fully rotated into the jaws of the receptacle.  This resulted in a high  
resistance and a ground fault.  The licensee replaced the disconnect and 
verified that the other breakers in the yard were properly aligned.  The 
licensee determined that the "B" EDG started on a valid under voltage    
condition (due to relay indications).  The maintenance mode indication   
would not have prevented the "A" EDG from starting on an emergency signal
(which it did not receive).  The charging pump suction transfer to the   
RWST was due to a low VCT level and letdown isolation.                   

Regional Action:

The region dispatched a Specialist Inspector (Electrical Engineer) to    
assist the SRI in the review of the licensee efforts.                    

Contact:  M. B. Shymlock             (404)331-5535
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