MONTICELLO - DOOR BETWEEN MOTOR CONTROL CENTERS NOT LATCHED FOR A FEW MINUTES

MONTICELLO - NOTIFICATION DATE: 07/01/2003

HIGH ENERGY LINE BREAK (HELB) DOOR NOT LATCHED

"On June 30, 2003 at approximately 1545 [CDT] it was identified that a High Energy Line Break (HELB) door separating Divisional Motor Control Centers was not latched as required. It was determined that this condition existed for a maximum of 15 minutes. This condition is being reported as an event or condition that could have prevented the fulfillment of a safety function in accordance with 10 CFR 50.72(b)(3)(v)."

The licensee notified the NRC Resident Inspector and the State Emergency Management Agency.

+------------------------------------------------------------------------------+
|Power Reactor                                    |Event Number:   39970       |
+------------------------------------------------------------------------------+
+------------------------------------------------------------------------------+
| FACILITY: MONTICELLO               REGION:  3  |NOTIFICATION DATE: 07/01/2003|
|    UNIT:  [1] [] []                 STATE:  MN |NOTIFICATION TIME: 00:04[EDT]|
|   RXTYPE: [1] GE-3                             |EVENT DATE:        06/30/2003|
+------------------------------------------------+EVENT TIME:        15:45[CDT]|
| NRC NOTIFIED BY:  DAVID BARNETT                |LAST UPDATE DATE:  07/01/2003|
|  HQ OPS OFFICER:  MIKE RIPLEY                  +-----------------------------+
+------------------------------------------------+PERSON          ORGANIZATION |
|EMERGENCY CLASS:          NON EMERGENCY         |BRENT CLAYTON        R3      |
|10 CFR SECTION:                                 |                             |
|AINA 50.72(b)(3)(v)(A)   POT UNABLE TO SAFE SD  |                             |
|AINB 50.72(b)(3)(v)(B)   POT RHR INOP           |                             |
|AINC 50.72(b)(3)(v)(C)   POT UNCNTRL RAD REL    |                             |
|AIND 50.72(b)(3)(v)(D)   ACCIDENT MITIGATION    |                             |
+-----+----------+-------+--------+-----------------+--------+-----------------+
|UNIT |SCRAM CODE|RX CRIT|INIT PWR|   INIT RX MODE  |CURR PWR|  CURR RX MODE   |
+-----+----------+-------+--------+-----------------+--------+-----------------+
|1     N          Y       100      Power Operation  |100      Power Operation  |
|                                                   |                          |
|                                                   |                          |
+------------------------------------------------------------------------------+