ML021360620
| ML021360620 | |
| Person / Time | |
|---|---|
| Site: | Wolf Creek  |
| Issue date: | 05/16/2002 |
| From: | Collins E, Ron Kopriva NRC Region 4 |
| To: | Wolf Creek |
| References | |
| PNO-IV-02-023 | |
| Download: ML021360620 (1) | |
Text
May 16, 2002 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -- PNO-IV-02-023 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 IV staff on this date.
Facility Licensee Emergency Classification Wolf Creek Nuclear Operating Corporation Notification of Unusual Event Wolf Creek Nuclear Plant Alert Burlington, Kansas Site Area Emergency Dockets: 50-482 General Emergency X Not Applicable
SUBJECT:
UNPLANNED SHUTDOWN DUE TO LOOSE PART IN STEAM GENERATOR D DESCRIPTION:
On May 13, 2002, at 4:17 p.m. (CDT), the licensee commenced a reactor shutdown based on the indication of a loose part in the Steam Generator D hot leg bowl. The loose part was identified through acoustic monitoring instrumentation. The noise signatures from the acoustic monitors were reviewed by Westinghouse and, based on their recommendation, the licensee shut down the plant. The reactor entered Mode 5 (cold shutdown) at 10:48 a.m. on May 14. The loose part will be retrieved and the steam generator will be inspected for any potential damage that may have been caused by the loose part. Once the part is retrieved and identified, the licensee will finalize their plans for restarting the plant.
As of 12 p.m. (CDT) on May 16, the licensee was preparing to enter midloop operation and open up Steam Generator D for inspection.
The state of Kansas will be informed.
The licensee did make a press release regarding this issue.
The Resident Inspector received initial notification of this occurrence at 4:30 p.m. on May 13, 2002.
Region IV has informed EDO/NRR/PA.
This information has been discussed with the licensee and is current as of May 16, 2002, at 12:45 p.m.
(CST).
Contact:
Ron Kopriva (817) 860-8104 Elmo Collins (817) 860-8291