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Home NRC Library Document Collections Events, Reports Associated with Morning Reports 2000

Morning Report for January 7, 2000

                       Headquarters Daily Report

                         JANUARY 07, 2000

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                    REPORT             NEGATIVE            NO INPUT
                    ATTACHED           INPUT RECEIVED      RECEIVED

HEADQUARTERS                           X
REGION I                               X
REGION II                              X
REGION III                             X
REGION IV           X
PRIORITY ATTENTION REQUIRED  MORNING REPORT - REGION IV  JANUARY  7, 2000

Licensee/Facility:                     Notification:

Arizona Public Service Co.             MR Number: 4-00-0001
Palo Verde 2                           Date: 01/07/00
Wintersburg,Arizona                    BY TELECON FROM RESIDENT INSPECTOR
Dockets: 50-529
PWR/CE80

Subject: UNPLANNED PLANT SHUTDOWN TO REPAIR MAIN CONDENSER TUBE LEAK

Discussion:

On January 6, 2000, at 1:15 a.m. (MST), Palo Verde Nuclear Generating
Station Unit 2 completed an unplanned reactor shutdown to repair one
ruptured main condenser tube.  The ruptured tube caused the concentration
of sodium in the steam generators to exceed action levels that required a
plant shutdown.  The shutdown was conducted without incident and all
equipment functioned as designed.  Unit 2 is currently in Mode 3 and
repairs are underway.

Unit 2 was scheduled to be shut down on January 7 to repair a previously
identified but separate problem in the main condenser.

Regional Action:

Resident inspectors will monitor activities during the unplanned outage.

Contact:  Phil Harrell               (817)860-8250
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