Event Notification Report for May 03, 2001
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
05/02/2001 - 05/03/2001
EVENT NUMBERS
37962
Power Reactor
Event Number: 37962
Facility: VERMONT YANKEE
Region: 1 State: VT
Unit: [1] [] []
RX Type: [1] GE-4
NRC Notified By: A. WISNIEWSKI
HQ OPS Officer: JOHN MacKINNON
Region: 1 State: VT
Unit: [1] [] []
RX Type: [1] GE-4
NRC Notified By: A. WISNIEWSKI
HQ OPS Officer: JOHN MacKINNON
Notification Date: 05/03/2001
Notification Time: 09:54 [ET]
Event Date: 05/03/2001
Event Time: 07:00 [EDT]
Last Update Date: 05/03/2001
Notification Time: 09:54 [ET]
Event Date: 05/03/2001
Event Time: 07:00 [EDT]
Last Update Date: 05/03/2001
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(ii)(A) - DEGRADED CONDITION
10 CFR Section:
50.72(b)(3)(ii)(A) - DEGRADED CONDITION
Person (Organization):
HAROLD GRAY (R1)
HAROLD GRAY (R1)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | N | N | 0 | Cold Shutdown | 0 | Cold Shutdown |
LOCAL LEAK RATE FAILED
At 0700, on 05/03/01, the Control Room was informed that the HPCI Steam Exhaust Check Valves, V23-3 & V23-4, failed their local leak rate test such that the minimum pathway leakage rate was exceeded, greater than 193.674 scfh which is in excess of 0.6La Tech Spec limit. The valves were declared inoperable and repairs are underway.
The NRC Resident Inspector was notified of this event by the licensee.
At 0700, on 05/03/01, the Control Room was informed that the HPCI Steam Exhaust Check Valves, V23-3 & V23-4, failed their local leak rate test such that the minimum pathway leakage rate was exceeded, greater than 193.674 scfh which is in excess of 0.6La Tech Spec limit. The valves were declared inoperable and repairs are underway.
The NRC Resident Inspector was notified of this event by the licensee.