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Category:NRC Preliminary Notification of Event/Occurrence
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2021-07-09
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PRELIMINARY NOTIFICATION- REGION III August 10, 2009 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -- PNO-III-09-006A 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 the Region III staff on this date.
Facility Licensee Emergency Classification Donald C. Cook Nuclear Plant Notification of Unusual Event Indiana Michigan Power Company Alert Stevensville, MI Site Area Emergency Docket: 50-316 General Emergency License: DPR-74 X Not Applicable
SUBJECT:
D.C. COOK UNIT 2 FORCED SHUTDOWN FOR GREATER THAN 72 HOURS TO REPAIR REACTOR COOLANT PUMP SEAL (UPDATE)
DESCRIPTION:
On August 8, 2009, the Cook Nuclear Plant Unit 2 resumed operation after a maintenance outage that was started on July 26, 2009, to replace a degraded Reactor Coolant Pump Seal.
The reactor was made critical at 2:05 a.m. (CDT) on August 8, 2009, and the main generator was synchronized to the grid at 10:17 a.m. (CDT) on August 8, 2009. The license replaced one Reactor Coolant Pump Seal during this outage.
The resident inspectors observed the licensee returning the plant to operation.
The State of Michigan will be notified. The information in this preliminary notification has been reviewed with licensee management.
This information is current as of 9:00 a.m. (CDT) on August 10, 2009.
CONTACTS: Jay Lennartz, SRI Jamnes Cameron, Chief 269/465-5353 630/829-9833 ADAMS Accession No. ML092220545
