Part 21 Report - 1998-110
LICENSEE: ILLINOIS POWER CO.
SITE: CLINTON 1 EN NUMBER:33563
DOCKET: 05000461 EVENT DATE: 01-20-98
RX TYPE: BWR EVENT TIME: 00:00
VENDORS: GE-6 NOTIFY DATE: 01-20-98
EMERGENCY CLASS: N/A REGION: 3 STATE: IL TIME: 13:50
OPS OFFICER: CHAUNCEY GOULD
10 CFR SECTION: CCCC 21.21 UNSPECIFIED PARAGRAPH
UNIT SCRAM RX INIT INITIAL MODE CURR CURRENT MODE
CODE CRIT PWR PWR
1 N N 0 COLD SHUTDOWN 0 COLD SHUTDOWN
10CFR PART 21 REPORT -
THE BASIC COMPONENT INVOLVED IN THIS REPORT IS THE FAILURE TO
INSTALL
THE SHUTDOWN COOLING WATER PUMP ROOM COOLING FAN MOTOR SHAFT
KEY
FOR THE DIVISION II SHUTDOWN SERVICE SERVICE WATER PUMP ROOM
COOLER FAN. THIS COOLER WAS SUPPLIED BY BUFFALO FORGE COMPANY.
AS DISCUSSED IN THE LER,
THE NATURE OF THE CONDITION IS THE FAILURE TO INSTALL A MOTOR
SHAFT KEY ON THE DIVISION II SHUTDOWN SERVICE WATER PUMP ROOM
COOLER FAN. FAILURE TO INSTALL THE MOTOR SHAFT KEY ON THE
DIVISION II SHUTDOWN SERVICE WATER PUMP ROOM COOLER COULD ALLOW
THE TEMPERATURE IN THE PUMP ROOM TO EXCEED THE DESIGN BASIS
TEMPERATURE REQUIRED FOR THE OPERATION OF THE SHUTDOWN SERVICE
WATER PUMP. THE LICENSEE IDENTIFIED THE SHUTDOWN SERVICE WATER
PUMP ROOM COOLING FAN MISSING MOTOR SHAFT KEY MAY HAVE BEEN
CAUSED BY THE FAILURE OF THE MANUFACTURE TO INSTALL IT WHEN THE
UNIT WAS ASSEMBLED AT THE FACTORY AND THE LICENSEE DETERMINED
THIS ISSUE WAS POTENTIALLY REPORTABLE UNDER
10CFR PART 21.
SEE RELATED EVENT #33446.
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