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| Entered date | Event description | |
|---|---|---|
| ENS 42178 | 30 November 2005 17:14:00 | This report is being made pursuant to the requirements of License Condition 2.G of the Seabrook Station Operating License. Inverter 1F was inoperable for greater than the 24 hours allowed by Technical Specification 3.8.3.1.h. The inverter was inoperable for a total of 35 hours 59 minutes. The inverter was declared to be inoperable at 0323 on November 29, 2005 and was not returned to operable status until 1522 on November 30, 2005, this exceeded the 24 hour TS limit. The NRC approved a Notice of Enforcement Discretion at 0220 on November 30, 2005, which allowed an extension of 18 hours (until 2123 11/30/05). The inverter was declared operable prior to the expiration of the extension. This event will be documented in a License Event Report pursuant to the requirements of 10CFR50.73. The licensee notified the NRC Resident Inspector. |
| ENS 41340 | 15 January 2005 14:11:00 | The following information was provided by the licensee via facsimile On January 15, 2005 at 0750, it was determined that Containment Isolation Valve CC-V-1095 was inoperable due to a post maintenance retest not being performed. The valve was declared inoperable and Technical Specification 3.6.3, Action a. was entered. The valve was satisfactorily retested and restored to OPERABLE status at 1042 on January 15, 2005. A routine preventive maintenance activity was performed on the valve's power supply on January 13, 2005. However, the valve was not stroke tested in accordance with the requirements of Technical Specification Surveillance Requirement 4.6.3.1. This report is made pursuant to the requirements of Section 2.G. of the Seabrook Station Operating License for the violation of the requirements of the Technical Specifications. The licensee notified the NRC Resident Inspector. |
| ENS 41095 | 5 October 2004 19:58:00 | Event reported according to operating license condition 2.G (Failure to operate the station in accordance with Technical Specification). Seabrook has discovered that a condition existed that was prohibited by the Technical Specification (TS). Pressurizer level recorder (1-RC-LR-460), one of the two channels of pressurizer level instrumentation required by TS 3.3.3.6, Accident Monitoring Instrumentation, was inoperable for a period longer than the seven days permitted by the TS. The instrument was inoperable for approximately 60 days, from April 5, 2004, until June 4, 2004. This event is being reported in accordance with the Seabrook Station facility operating license, condition 2.G, as a failure to operate the station in accordance with the TS. The NRC Resident Inspector was notified of this event by the licensee. |