View source for PNO-II-88-044, on 880716,reactor Shut Down for Repair of Failed Charging Pump 2A.Shutdown Exceeded 48 H.Cause of Failure Under Investigation.Disassembly & Replacement of Pump Rotating Element Necessary.Startup Expected on 880721

{{Adams
| number = ML20151H101
| issue date = 07/18/1988
| title = PNO-II-88-044:on 880716,reactor Shut Down for Repair of Failed Charging Pump 2A.Shutdown Exceeded 48 H.Cause of Failure Under Investigation.Disassembly & Replacement of Pump Rotating Element Necessary.Startup Expected on 880721
| author name = Bonser B
| 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-88-044, PNO-II-88-44, NUDOCS 8808010142
| 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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July 18, 1988 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE PN0-l!-88-44 This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance.          The information is as initially received without verifi-cation or evaluation, and is basically all that is known by the Region 11 staff on this date.
FACILITY: Duke Power Company                                   Licensee Emergency Classification:
Catawba Unit 2                                           Notification of Unusual Event Docket No. 414                                     ~~ ~ Alert Rock Hill, South Carolina                                Site Area Emergency General Emergency X Not Applicable

==SUBJECT:==
SHUTDOWN EXCEEDING 48 HOURS Catawba Unit 2 connenced a reactor shutdown from 100% power on July 16,1988 per a Technical Specification Action statement associated with the 2A Charging Pump being inoperable. The pump is inoperable due to a mechanical failure. The licensee has detennined that disassembly and replacement of the rotating element will be necessary to repair the pump. The cause of the failure is still under investigation. Unit 2 is currently in Mode 4.
The licensee anticipates plant startup on July 21, 1988.                 Maintenance in addition to the charging pump replacement is being performed.
Region 11 will perform a routine follow-up.
No media interest is expected.
The NRC received initial notification of this event by telephone from the licensee at 4:11 a.m. (EDT) on on July 17.
This information is current as of 9:00 a.m. (EDT) on July 18.
I CONTACT: B. Bonser - 242-4198 OISTRIBUTION One White                  M' land Nat'l 3
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