Headquarters Daily report

                         MAY 20, 1994

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REGION II                              X                   
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REGION IV           X                                      
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PRIORITY ATTENTION REQUIRED  MORNING REPORT - HEADQUARTERS MAY 20, 1994

MR Number: H-94-0051

                            NRR DAILY REPORT ITEM
           GENERIC COMMUNICATIONS BRANCH/EVENTS ASSESSMENT BRANCH
                    DIVISION OF OPERATING REACTOR SUPPORT
                    OFFICE OF NUCLEAR REACTOR REGULATION

Subject: N/A

NRC Information Notice 94-36, "Undetected Accumulation of Gas in Reactor 
Coolant System," to be issued May 24, 1994.                              
                                                                         
The NRC is issuing this information notice to alert addressees to        
problems that could result from unrecognized evolution and accumulation  
of gas in reactor coolant system high points.                            
                                                                         
Technical contacts:  R. Benedict, NRR                                    
                     (301) 504-1157                                      
                                                                         
                     S. M. Shaeffer, RII                                 
                     (615) 842-8001                                      
PRIORITY ATTENTION REQUIRED  MORNING REPORT - REGION IV  MAY 20, 1994

Licensee/Facility:                     Notification:

Texas Utilities Electric Co.           MR Number: 4-94-0047
Comanche Peak 2                        Date: 05/20/94
Glen Rose,Texas                        INFORMATION FROM RESIDENT INSPECTOR
Dockets: 50-446
PWR/W-4-LP                            

Subject: CRACKED WELDS IN CONTAINMENT SPRAY SYSTEM (UPDATE)              
                                                                         
Reportable Event Number: 27276                         

Discussion:

This is an update to Morning Report Number 4-94-0045 dated May 17, 1994. 
Two additional potentially cracked and leaking welds have been identified
in the Unit 2 containment spray system.  The licensee is continuing to   
review and evaluate data associated with system flows and vibration to   
determine the exact cause of the failures and the appropriate corrective 
actions.  The plant is currently in Mode 5 and the Limiting Condition for
Operation requiring containment spray operability is not applicable in   
this mode.                                                               
                                                                         
The licensee reported this event as a result of the potential impact the 
leaking welds could have on the ability of the system to fulfill it's    
safety function.  To clarify the event report (#27276) regarding this    
issue, all identified through-wall cracks were on the Unit 2 containment 
spray system vice the containment system.                                
                                                                         

Regional Action:

The resident inspectors are monitoring the licensee's activities and the 
licensee's corrective actions will be evaluated prior to Mode 4 entry.   

Contact:  Terry Reis                 (817)860-8185