Headquarters Daily Report

                         FEBRUARY 26, 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 IV  FEB. 26, 1996

Licensee/Facility:                     Notification:

Houston Lighting & Power Co.           MR Number: 4-96-0022
South Texas 2                          Date: 02/26/96
Wadsworth,Texas                        Resident Inspector                 
Dockets: 50-499
PWR/W-4-LP                            

Subject: UNIT OUTAGE TO REPAIR MAIN GENERATOR HYDROGEN LEAK              

Discussion:

On February 23, 1996, 5:12 p.m., Unit 2 licensed operators commenced a   
power reduction to 8 percent reactor power to remove the main            
turbine-generator from service.  On February 20, control room operators  
noted that hydrogen usage in the main generator had substantially        
increased.  Since that time, engineering and maintenance personnel had   
been attempting to locate the source of the leakage.  During the         
afternoon of February 23, the leak was identified as issuing from a crack
in the water detection drain line in the area of the main generator      
bushing housing.  The 1/2-inch inner diameter line was cracked 180       
degrees circumferentially.  Licensee engineers determined that the most  
probable cause of the crack was vibration.  This was based on the        
identification that the first two line supports out from the generator   
had not been attached to the pipe.                                       
                                                                         
Following a generator hydrogen purge, maintenance technicians replaced a 
portion of the drain line that contained the crack and reinstalled the   
pipe supports.  A dye-penetrant test was performed of the other small    
bore piping welds that were affected by the missing pipe supports.       
Additionally, engineers inspected all small bore hydrogen line and sense 
line connections on Unit 2 and all accessible lines on Unit 1.  All lines
were secure with properly connected line supports.  Following the        
generator purge and charging with hydrogen, the licensee intends to place
the unit back on line.  The licensee is continuing to investigate when   
the pipe supports were disconnected and why they had not been            
reconnected.  No work has been identified that opened the bushing housing
since initial startup on either unit.                                    

Regional Action:

Routine resident inspector followup.                                     

Contact:  David Loveless             (817)860-8104
          John Pellet                (817)860-8183
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