Event Notification Report for March 30, 2000
U.S. Nuclear Regulatory Commission
Operations Center
Event Reports For
03/29/2000 - 03/30/2000
** EVENT NUMBERS **
36843
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|Power Reactor |Event Number: 36843 |
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| FACILITY: SUSQUEHANNA REGION: 1 |NOTIFICATION DATE: 03/29/2000|
| UNIT: [1] [] [] STATE: PA |NOTIFICATION TIME: 02:38[EST]|
| RXTYPE: [1] GE-4,[2] GE-4 |EVENT DATE: 03/29/2000|
+------------------------------------------------+EVENT TIME: 02:00[EST]|
| NRC NOTIFIED BY: GRANT FERNSLER |LAST UPDATE DATE: 03/29/2000|
| HQ OPS OFFICER: BOB STRANSKY +-----------------------------+
+------------------------------------------------+PERSON ORGANIZATION |
|EMERGENCY CLASS: N/A |MICHELE EVANS R1 |
|10 CFR SECTION: | |
|ADAS 50.72(b)(2)(i) DEG/UNANALYZED COND | |
| | |
| | |
| | |
+-----+----------+-------+--------+-----------------+--------+-----------------+
|UNIT |SCRAM CODE|RX CRIT|INIT PWR| INIT RX MODE |CURR PWR| CURR RX MODE |
+-----+----------+-------+--------+-----------------+--------+-----------------+
|1 N N 0 Refueling |0 Refueling |
| | |
| | |
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EVENT TEXT
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| EXCESSIVE LEAKAGE THROUGH CONTROL ROD DRIVE CHECK VALVES |
| |
| "During the Unit 1 Refuel and Inspection Outage, it has been determined that |
| the CRD check valves (CRD Seismic Island) exceeded the as-found minimum path |
| leakage limit of 508 ml/hr. This failure is a degraded condition found while |
| the plant is shutdown, and requires a 4 hour ENS notification under |
| 10CFR50.72(b)(2)(i)." |
| |
| The NRC resident inspector will be informed of this event by the licensee. |
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