View source for PNO-IV-85-058, on 851118,indicated License Limit of 5% of Rated Thermal Power Exceeded for 1 H.Arpms Apparently Calibr to Read High.Actual Thermal Power Probably Did Not Exceed Limit.Evaluation Initiated

{{Adams
| number = ML20136F241
| issue date = 11/18/1985
| title = PNO-IV-85-058:on 851118,indicated License Limit of 5% of Rated Thermal Power Exceeded for 1 H.Arpms Apparently Calibr to Read High.Actual Thermal Power Probably Did Not Exceed Limit.Evaluation Initiated
| author name = Jaudon J
| author affiliation = NRC OFFICE OF INSPECTION &amp; ENFORCEMENT (IE REGION IV)
| addressee name = 
| addressee affiliation = 
| docket = 05000458
| license number = 
| contact person = 
| document report number = PNO-IV-85-058, PNO-IV-85-58, NUDOCS 8511220072
| document type = PRELIMINARY NOTIFICATION OF EVENT OR OCCURRENCE (PNO,, TEXT-INSPECTION &amp; AUDIT &amp; I&amp;E CIRCULARS
| page count = 1
}}
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November 18, 1985 t
PRELIMINARY' NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -- PN0-IV-85-58 Y                  '
                       'This preliminary n'otification constitutes EARLY notice of events of POSSIBLE
      .                   safety or public interest significance. The information is as initially received without. verification or evaluation, and is basically all that is
                      'known by-NRC staff on this date.
t
                      . FACILITY: Gulf States Utilities                    Licensee Emergency Classification:
River Bend Station                       Notification of Unusual Event St. Francisville, LA                     Alert Docket #50-458                           Site Area Emergency General Emergency
_x_ Not Applicable

==SUBJECT:==
REDUCED THERMAL LIMIT.POTENTIALLY EXCEEDED The licensee exceeded the indicated license limit of 5% of rated thermal power for approximately one hour on November 18, 1985. The licensee believes that the ARPMs are calibrated so that they read high and that actual thermal power probably did not exceed the license limit. The licensee is evaluating and
                     -    attempting to run a low power calorimetric to determine if the 5_ percent limit wasiexceeded.     -
The licensee does not plan to issue a press release but will respond to any                                                   4 media inquiries.
NRR and IE have been informed.
The state of Louisiana has been informed.
i                         C0'NTACT:  J. P.'Jau' don, FTS 728-8140 l
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