View source for PNO-II-99-017, on 990515,indication of Main Generator Ground Fault Was Received While Performing Turbine Startup in Preparation for Placing Unit on Line.Licensee Is Conducting Investigation to Determine Actual Cause of Ground

{{Adams
| number = ML20196A389
| issue date = 05/18/1999
| title = PNO-II-99-017:on 990515,indication of Main Generator Ground Fault Was Received While Performing Turbine Startup in Preparation for Placing Unit on Line.Licensee Is Conducting Investigation to Determine Actual Cause of Ground
| author name = Lea E
| author affiliation = NRC OFFICE OF INSPECTION &amp; ENFORCEMENT (IE REGION II)
| addressee name = 
| addressee affiliation = 
| docket = 05000414
| license number = 
| contact person = 
| document report number = PNO-II-99-017, PNO-II-99-17, NUDOCS 9906220213
| 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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* May 18, 1999 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE PNO-II-99-017 This preliminary notification 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 Region II staff in Atlanta, Georgia on this date.
Facility                         Licensee Emergency Classification Duke Power Co.                        Notification of Unusual Event Catawba 2                            Alert York, South Carolina                  Site Area Emergency Dockets: 50-414                       General Emergency X Not Applicable

==Subject:==
SHUTDOWN IN EXCESS OF 72 HOURS On Saturday, May 15, 1999, with Catawba Unit 2 operating at approximately 9 percent reactor power, indication of a main generator ground fault was received while performing turbine startup in preparation for placing the unit on line. The unit was being restarted from a forced outage which began on May 3, 1999. The fault is suspected to be a ground on the generator rotor. The reactor has been shutdown to facilitate repairs on the main generator.
The licensee is conducting an investigation to determine the actual cause of the ground.
The resident inspectors will continue to monitor the activities associated with the repair to the generator.
The States of South Carolina and North Carolina have been notified.

==Contact:==
EDWIN LEA (404)562-4567
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9906220213 990518 PDR     I&E
_PNO-II-99-017     PDR
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