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Event Notification Report for May 16, 2002

                         
                    U.S. Nuclear Regulatory Commission
                              Operations Center

                              Event Reports For
                           05/15/2002 - 05/16/2002

                              ** EVENT NUMBERS **

38920  38921  

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|General Information or Other                     |Event Number:   38920       |
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| REP ORG:  SOLIDSTATE CONTROLS, INC             |NOTIFICATION DATE: 05/15/2002|
|LICENSEE:  SOLIDSTATE CONTROLS, INC             |NOTIFICATION TIME: 15:07[EDT]|
|    CITY:  COLUMBUS                 REGION:  3  |EVENT DATE:        04/15/2002|
|  COUNTY:                            STATE:  OH |EVENT TIME:             [EDT]|
|LICENSE#:                        AGREEMENT:  Y  |LAST UPDATE DATE:  05/15/2002|
|  DOCKET:                                       |+----------------------------+
|                                                |PERSON          ORGANIZATION |
|                                                |RONALD GARDNER       R3      |
|                                                |DANIEL HOLODY        R1      |
+------------------------------------------------+PAUL FREDRICKSON     R2      |
| NRC NOTIFIED BY:  W. G. HAMPTON (FAX)          |GREG PICK            R4      |
|  HQ OPS OFFICER:  MIKE NORRIS                  |VERN HODGE           NRR     |
+------------------------------------------------+                             |
|EMERGENCY CLASS:          NON EMERGENCY         |                             |
|10 CFR SECTION:                                 |                             |
|CCCC 21.21               UNSPECIFIED PARAGRAPH  |                             |
|                                                |                             |
|                                                |                             |
|                                                |                             |
|                                                |                             |
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                                   EVENT TEXT                                   
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| 10 CFR 21 NOTIFICATION-POTENTIAL DEFECT INVOLVING FAN ASSEMBLIES FOR UPS  
  |
| SYSTEMS                                                                      |
|                                                                              |
| "The attached 10 CFR Part 21 record, Attachment A, is submitted to report a  |
| potential for a defect in fan assemblies used in Uninterruptible Power       |
| Systems manufactured under the Solidstate Controls, Inc., 10CFR50 Appendix B |
| Program.                                                                     |
|                                                                              |
| "Nature of the defect:                                                       |
|                                                                              |
| "PROBLEM SEEN: The above assembly contains a component part - an aluminum,   |
| five-wing fan blade, which potentially could separate from the hub. If the   |
| blade should come loose there may not be an alarm indication of loss of      |
| cooling. Additionally, the loose blade may cause a short circuit if it falls |
| into the equipment and should land across opposing current carrying          |
| devices.                                                                     |
|                                                                              |
| "CAUSE: We have determined that one fan blade style from one specific        |
| manufacturer of part number 03-470100-00 could, under certain conditions,    |
| separate from its hub.                                                       |
|                                                                              |
| "EFFECT ON SYSTEM PERFORMANCE: Fan Assembly - THE SEPARATION OF THE
BLADE    |
| FROM THE HUB COULD CAUSE THE SYSTEM TO DROP POWER TO THE LOAD. If the
worst  |
| case failure mode described above were to occur, it would result in the      |
| motor continuing to operate, thereby, not allowing the internal alarm        |
| mechanism to activate. Further, the blade itself could fall into the         |
| operating equipment causing a short circuit. It is important to note that    |
| the short circuit situation has not been reported.                           |
|                                                                              |
| "US NUCLEAR PLANT IMPACTED BY THIS ACTION:  There are approximately 30       |
| plants listed"                                                               |
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|Power Reactor                                    |Event Number:   38921       |
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| FACILITY: OYSTER CREEK             REGION:  1  |NOTIFICATION DATE: 05/15/2002|
|    UNIT:  [1] [] []                 STATE:  NJ |NOTIFICATION TIME: 15:30[EDT]|
|   RXTYPE: [1] GE-2                             |EVENT DATE:        05/13/2002|
+------------------------------------------------+EVENT TIME:        05:15[EDT]|
| NRC NOTIFIED BY:  JERRY FREEMAN                |LAST UPDATE DATE:  05/15/2002|
|  HQ OPS OFFICER:  RICH LAURA                   +-----------------------------+
+------------------------------------------------+PERSON          ORGANIZATION |
|EMERGENCY CLASS:          NON EMERGENCY         |DANIEL HOLODY        R1      |
|10 CFR SECTION:                                 |TIM MCGINTY          IRO     |
|NONR                     OTHER UNSPEC REQMNT    |                             |
|                                                |                             |
|                                                |                             |
|                                                |                             |
+-----+----------+-------+--------+-----------------+--------+-----------------+
|UNIT |SCRAM CODE|RX CRIT|INIT PWR|   INIT RX MODE  |CURR PWR|  CURR RX MODE  
|
+-----+----------+-------+--------+-----------------+--------+-----------------+
|1     N          Y       100      Power Operation  |100      Power Operation  |
|                                                   |                          |
|                                                   |                          |
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                                   EVENT TEXT                                   
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| LATE DECLARATION OF AN UNUSUAL EVENT FOR TORNADO                             |
|                                                                              |
| The licensee reported that on May 13, 2002, the national weather service     |
| issued a tornado warning for Central Ocean County, NJ.  The Oyster Creek     |
| Station was within the tornado warning area.  At 15:30 on May 15, 2002, the  |
| licensee determined that an Unusual Event should have been declared.  No     |
| tornados were sighted nor did the conditions affect safe station operation.  |
|                                                                              |
| The NRC Resident Inspector was notified.                                     |
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