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The following information was provided by … The following information was provided by the licensee via fax email:</br>At 0238 CDT on 9/26/2022 with Unit 2 in Mode 1 at 100 percent power, the reactor manually tripped due to a reported fire on the isophase bus duct. The trip was uncomplicated with all systems responding normally post-trip with the exception of the 2A reactor protection system power supply, which tripped and power was transferred to the alternate source. The fire was reported extinguished at 0240 CDT on 9/26/2022. Due to the reactor protection system actuation while critical, this event is being reported as a four-hour, non-emergency notification per 10 CFR 50.72(b)(2)(iv)(B).</br>Operations responded using the emergency operating procedure LGA-001 and stabilized the plant in Mode 3. Decay heat is removed by discharging steam to the main condenser using the turbine bypass valves. Unit 1 is not affected.</br>There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified. NRC Resident Inspector has been notified. +
07:38:00, 26 September 2022 +
56,120 +
06:39:00, 26 September 2022 +
07:38:00, 26 September 2022 +
The following information was provided by … The following information was provided by the licensee via fax email:</br>At 0238 CDT on 9/26/2022 with Unit 2 in Mode 1 at 100 percent power, the reactor manually tripped due to a reported fire on the isophase bus duct. The trip was uncomplicated with all systems responding normally post-trip with the exception of the 2A reactor protection system power supply, which tripped and power was transferred to the alternate source. The fire was reported extinguished at 0240 CDT on 9/26/2022. Due to the reactor protection system actuation while critical, this event is being reported as a four-hour, non-emergency notification per 10 CFR 50.72(b)(2)(iv)(B).</br>Operations responded using the emergency operating procedure LGA-001 and stabilized the plant in Mode 3. Decay heat is removed by discharging steam to the main condenser using the turbine bypass valves. Unit 1 is not affected.</br>There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified. NRC Resident Inspector has been notified. +
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05000374/LER-2022-003-02, Manual Scram Due to Lsophase Bus Duct Fire Followed by 2A RPS Normal Power Supply Trip +, 05000374/LER-2022-003, Manual Scram Due to Lsophase Bus Duct Fire and 2A RPS Normal Power Supply Trip +, 05000374/LER-2022-003-01, Manual Scram Due to Lsophase Bus Duct Fire Followed by 2A RPS Normal Power Supply Trip +, Manual Scram Due to Lsophase Bus Duct Fire and 2A RPS Normal Power Supply Trip + and Manual Scram Due to Lsophase Bus Duct Fire Followed by 2A RPS Normal Power Supply Trip +
00:00:00, 26 September 2022 +
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