Semantic search
| Entered date | Event description | |
|---|---|---|
| ENS 55691 | 6 January 2022 11:06:00 | The following information was obtained from the licensee in accordance with Headquarters Operations Officers Report Guidance: On 01/06/22 at 1044 (EST), an Unusual Event was declared due to a Fire Detection Actuation in the Unit 1, auxiliary cable vault (EAL H.U 4.1). No fire was detected. Unit 1 and Unit 2 remain at 100 percent power. The Llcensee notified the NRC Resident Inspector, the state, and local authorities. Notified DHS SWO, FEMA Operations Center, CISA Central, FEMA NWC (email), and DHS Nuclear SSA (email).
At 1441 (EST), DC Cook Unit 1 terminated their notification of unusual event. The basis for termination was that the inspection identified no damage to cables or cable trays. The fire protection system is out of service for the auxiliary cable vault with compensatory measures in effect. The licensee has notified the state and local authorities and will notify the NRC Resident Inspector. Notified R3DO (Skokowski), IRD MOC (Grant), NRR EO (Felts), IR (Kennedy)(email), NRR (Veil)(email), R3 DRA (Shuaibi)(email), DHS SWO, FEMA Operations Center, CISA Central, FEMA NWC (email), DHS Nuclear SSA (email), and FEMA NRCC SASC (email). |
| ENS 52585 | 1 March 2017 15:18:00 | At 1303 EDT on March 1, 2017, DC Cook notified the State of Michigan of a sulfuric acid tank leaking over 1,000 gallons of acid into the tank's berm. The leak was identified at approximately 1000 EDT coming from a drain line flange. The berm is designed to contain over 15,000 gallons which is sufficient to collect the known capacity of the tank. Cleanup of the sulfuric acid from the berm is ongoing, with no release to the environment or nearby drains. This notification is being made in accordance with 10 CFR 50.72(b)(2)(xi) due to notification of offsite agencies. The NRC Resident Inspector was notified. |