Headquarters Daily Report

                         JULY 11, 1997

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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  JULY 11, 1997

Licensee/Facility:                     Notification:

Union Electric Co.                     MR Number: 4-97-0056
Callaway 1                             Date: 07/11/97
Fulton,Missouri                        SRI by LAN                         
Dockets: 50-483
PWR/W-4-LP                            

Subject: POWER REDUCTION DUE TO AXIAL OFFSET ANOMALY                     

Discussion:

Plant management has decided to begin a gradual load reduction to at     
least 95 percent power.  The licensee has been experiencing an axial     
offset anomaly and had been operating close to operating limits for      
FQ(Z), the core height dependent total peaking factor, and axial offset. 
There were no technical specification limits, plant parameters, test     
results, or reactivity measurements that required the load reduction at  
this time.  The licensee was accomplishing the load reduction in a manner
similar to an end-of-cycle coastdown by allowing Tavg to drop due to     
burnup and reducing turbine load to match Tavg to Tref.  The coastdown   
rate is expected to be approximately 1/2 percent per day.  Power was     
being reduced at this time primarily to determine the effect of such a   
reduction on the axial offset.  The licensee planned to subsequently     
decide whether continuing the load reduction is warranted or necessary.  
The next outage is currently scheduled for spring 1998.                  

Regional Action:

The senior resident inspector and Region IV managers have been following 
the licensee actions regarding the axial offset anomaly.                 

Contact:  David Passehl              (573)676-3181
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