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Event Notification Report for January 6, 2003






                    U.S. Nuclear Regulatory Commission

                              Operations Center



                              Event Reports For

                           01/03/2003 - 01/06/2003



                              ** EVENT NUMBERS **



39481  39487  39488  



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|Power Reactor                                    |Event Number:   39481       |

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| FACILITY: PALO VERDE               REGION:  4  |NOTIFICATION DATE: 12/31/2002|

|    UNIT:  [] [2] []                 STATE:  AZ |NOTIFICATION TIME: 11:15[EST]|

|   RXTYPE: [1] CE,[2] CE,[3] CE                 |EVENT DATE:        12/26/2002|

+------------------------------------------------+EVENT TIME:        05:18[MST]|

| NRC NOTIFIED BY:  DAN MARKS                    |LAST UPDATE DATE:  01/03/2003|

|  HQ OPS OFFICER:  RICH LAURA                   +-----------------------------+

+------------------------------------------------+PERSON          ORGANIZATION |

|EMERGENCY CLASS:          NON EMERGENCY         |WILLIAM JOHNSON      R4      |

|10 CFR SECTION:                                 |                             |

|APRE 50.72(b)(2)(xi)     OFFSITE NOTIFICATION   |                             |

|                                                |                             |

|                                                |                             |

|                                                |                             |

+-----+----------+-------+--------+-----------------+--------+-----------------+

|UNIT |SCRAM CODE|RX CRIT|INIT PWR|   INIT RX MODE  |CURR PWR|  CURR RX MODE   |

+-----+----------+-------+--------+-----------------+--------+-----------------+

|                                                   |                          |

|2     N          Y       99       Power Operation  |99       Power Operation  |

|                                                   |                          |

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                                   EVENT TEXT                                   

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| PALO VERDE 2 OFFSITE NOTIFICATION ON COOLING TOWER WATER SPILL               |

|                                                                              |

| "The following event description is based on information currently           |

| available. If through subsequent reviews of this event, additional           |

| information is identified that is pertinent to this event or alters the      |

| information being provided at this time, a follow-up notification will be    |

| made via the ENS or under the reporting requirements of 10CFR50.73.          |

|                                                                              |

| "On Tuesday, December 31, 2002, the Palo Verde Nuclear Generating Station    |

| Unit 2 will provide a voluntary written report to the Arizona Department of  |

| Environmental Quality (ADEQ) of an event related to the protection of the    |

| environment. Specifically, the report will detail an unintentional release   |

| of an estimated 72,000 gallons of cooling tower water to the unlined ditch   |

| that carries storm water from the gunite lined storm water collection system |

| to Sedimentation Basin #1. The release began at approximately 05:18 Mountain |

| Standard Time (MST) on December 26, 2002 and was stopped at approximately    |

| 05:50 MST on December 28, 2002 following discovery. No news release is       |

| anticipated."                                                                |

|                                                                              |

| The NRC Resident Inspector was notified.                                     |

|                                                                              |

| ***UPDATE 01/03/03 1551 EST DAN MARKS TO JASON FLEMMING***                   |

|                                                                              |

| "It has been brought to Palo Verde's attention that this ENS event report    |

| 39481 has been posted on the NRC website with an error.  The release stopped |

| at approximately 05:50 MST on December 26, 2002.  The webpage incorrectly    |

| states December 28, 2002."                                                   |

|                                                                              |

| The NRC resident inspector has been notified.                                |

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|Power Reactor                                    |Event Number:   39487       |

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| FACILITY: WOLF CREEK               REGION:  4  |NOTIFICATION DATE: 01/03/2003|

|    UNIT:  [1] [] []                 STATE:  KS |NOTIFICATION TIME: 15:14[EST]|

|   RXTYPE: [1] W-4-LP                           |EVENT DATE:        01/03/2003|

+------------------------------------------------+EVENT TIME:        11:01[CST]|

| NRC NOTIFIED BY:  STEVE HENRY                  |LAST UPDATE DATE:  01/03/2003|

|  HQ OPS OFFICER:  JASON FLEMMING               +-----------------------------+

+------------------------------------------------+PERSON          ORGANIZATION |

|EMERGENCY CLASS:          NON EMERGENCY         |WILLIAM JOHNSON      R4      |

|10 CFR SECTION:                                 |                             |

|ARPS 50.72(b)(2)(iv)(B)  RPS ACTUATION - CRITICA|                             |

|AESF 50.72(b)(3)(iv)(A)  VALID SPECIF SYS ACTUAT|                             |

|                                                |                             |

|                                                |                             |

+-----+----------+-------+--------+-----------------+--------+-----------------+

|UNIT |SCRAM CODE|RX CRIT|INIT PWR|   INIT RX MODE  |CURR PWR|  CURR RX MODE   |

+-----+----------+-------+--------+-----------------+--------+-----------------+

|1     A/R        Y       100      Power Operation  |0        Hot Standby      |

|                                                   |                          |

|                                                   |                          |

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                                   EVENT TEXT                                   

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| AUTOMATIC REACTOR TRIP DUE TO POWER RANGE NEUTRON FLUX - HIGH NEGATIVE RATE  |

| TRIP                                                                         |

|                                                                              |

| "On January 3, 2003, Wolf Creek Generating Station Unit 1 was operating at   |

| 100% reactor power when an automatic reactor trip occurred at 11:01 a.m.     |

| CST. Scheduled preventative maintenance had been completed on the control    |

| rod drive motor generator set, and the system was being placed back into     |

| service when an automatic reactor trip was received due to a Power Range     |

| Neutron Flux - High Negative Rate trip on all four power range channels.     |

|                                                                              |

| "An Auxiliary Feedwater Actuation Signal was received and initiated the      |

| Auxiliary Feedwater System as expected. Plant equipment performed as         |

| expected.                                                                    |

|                                                                              |

| "Investigation into the cause of the reactor trip is in progress. The plant  |

| is currently in MODE 3, Hot Standby. This event is being reported in         |

| accordance with 10 CFR 50.72(b)(2)(iv)(B) and 10 CFR 50.72(b)(3)(iv)(A)."    |

|                                                                              |

| The Licensee has notified the NRC Resident inspector.                        |

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|Power Reactor                                    |Event Number:   39488       |

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| FACILITY: QUAD CITIES              REGION:  3  |NOTIFICATION DATE: 01/04/2003|

|    UNIT:  [] [2] []                 STATE:  IL |NOTIFICATION TIME: 07:47[EST]|

|   RXTYPE: [1] GE-3,[2] GE-3                    |EVENT DATE:        01/04/2003|

+------------------------------------------------+EVENT TIME:        01:13[CST]|

| NRC NOTIFIED BY:  JOHN LECHMAIER               |LAST UPDATE DATE:  01/04/2003|

|  HQ OPS OFFICER:  HOWIE CROUCH                 +-----------------------------+

+------------------------------------------------+PERSON          ORGANIZATION |

|EMERGENCY CLASS:          NON EMERGENCY         |ROGER LANKSBURY      R3      |

|10 CFR SECTION:                                 |                             |

|AIND 50.72(b)(3)(v)(D)   ACCIDENT MITIGATION    |                             |

|                                                |                             |

|                                                |                             |

|                                                |                             |

+-----+----------+-------+--------+-----------------+--------+-----------------+

|UNIT |SCRAM CODE|RX CRIT|INIT PWR|   INIT RX MODE  |CURR PWR|  CURR RX MODE   |

+-----+----------+-------+--------+-----------------+--------+-----------------+

|                                                   |                          |

|2     N          Y       100      Power Operation  |100      Power Operation  |

|                                                   |                          |

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                                   EVENT TEXT                                   

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| LOW PRESSURE COOLANT INJECTION DECLARED INOPERABLE                           |

|                                                                              |

| "At 0113 hours CST on 1/4/2003, SR 3.5.1.1 [Surveillance Requirement]        |

| (monthly fill and vent surveillance) was initiated on U-2 B RHR loop.  When  |

| the high point vents were opened, no flow was observed within the            |

| established venting criteria required by the surveillance.  Based on this,   |

| neither LPCI [Low Pressure Coolant Injection] subsystem could be ensured     |

| filled to the injection valves.  Both LPCI subsystems were declared          |

| inoperable and TS 3.5.1 [Technical Specification] Condition D [was] entered. |

| At 0204 hours CST, when full flow was observed from the 2B RHR loop, TS      |

| 3.5.1 Condition D was exited.  At 0210 hours CST, 2A RHR loop was            |

| subsequently vented and full flow was observed immediately.                  |

|                                                                              |

| "This notification is being made in accordance with                          |

| 10CFR50.72(b)(3)(v)[(D)]."                                                   |

|                                                                              |

| Licensee has informed the NRC Resident Inspector.                            |

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