INDIANA - THICKNESS GAUGE SOURCE HOLDER DAMAGED AT NUCOR STEEL (CRAWFORDSVILLE)

NUCOR STEEL (CRAWFORDSVILLE, IN) - NOTIFICATION DATE: 06/21/2003

SOURCE HOLDER FRAME AND CONTROL SYSTEM DAMAGED

On 6/21/03 at approximately 1150 CST, a source holder frame that houses a 1 Curie Am-241 source was damaged. The licensee, Nucor Steel, uses the source to determine steel strip thickness. The source holder and the source are intact and the source is retracted into the safe position. Only the metal frame that supports the source holder and the source control system was damaged. The manufacturer, Radiometric, has been contacted to repair the frame. The source is exposed using an air signal which is currently locked and tagged out by the licensee.

Informed R3DO (Riemer) and NMSS EO (Reamer).

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|Other Nuclear Material                           |Event Number:   39954       |
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| REP ORG:  NUCOR STEEL                          |NOTIFICATION DATE: 06/21/2003|
|LICENSEE:  NUCOR STEEL                          |NOTIFICATION TIME: 13:50[EDT]|
|    CITY:  CRAWFORDSVILLE           REGION:  3  |EVENT DATE:        06/21/2003|
|  COUNTY:                            STATE:  IN |EVENT TIME:        11:50[CST]|
|LICENSE#:  13-25975-01           AGREEMENT:  N  |LAST UPDATE DATE:  06/21/2003|
|  DOCKET:                                       |+----------------------------+
|                                                |PERSON          ORGANIZATION |
|                                                |KENNETH RIEMER       R3      |
|                                                |C.W. (BILL) REAMER   NMSS    |
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| NRC NOTIFIED BY:  JEFF JORDAN                  |                             |
|  HQ OPS OFFICER:  HOWIE CROUCH                 |                             |
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|EMERGENCY CLASS:          NON EMERGENCY         |                             |
|10 CFR SECTION:                                 |                             |
|ISAF 30.50(b)(2)         SAFETY EQUIPMENT FAILUR|                             |
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