Grand Glulf: Just Don't Have The Capacity To Keep Their Equipment Operating

Another shutdown with weeks operations at reduced capacity.

Power Reactor Event Number: 52936 Facility: GRAND GULF Region: 4 State: MS Unit: [1] [ ] [ ] RX Type: [1] GE-6 NRC Notified By: RYAN MEYER HQ OPS Officer: MARK ABRAMOVITZ Notification Date: 08/29/2017 Notification Time: 14:42 [ET] Event Date: 08/29/2017 Event Time: 12:00 [CDT] Last Update Date: 08/29/2017 Emergency Class: NON EMERGENCY 10 CFR Section: 50.72(b)(2)(i) - PLANT S/D REQD BY TS Person (Organization): VINCENT GADDY (R4DO) Unit SCRAM Code RX CRIT Initial PWR Initial RX Mode Current PWR Current RX Mode 1 N Y 65 Power Operation 65 Power Operation Event Text TECHNICAL SPECIFICATION REQUIRED SHUTDOWN "On August 22, 2017 at 2321 hours, Grand Gulf Nuclear Station entered Technical Specification conditions for three Limiting Condition for Operations (LCOs) not met due to Residual Heat Removal 'A' (RHR 'A') being declared inoperable. "LCOs not met: 1) 3.5.1 for one low pressure ECCS [Emergency Core Cooling System] injection/spray subsystem. 2) 3.6.1.7 for one RHR containment spray subsystem, and 3) 3.6.2.3 for one RHR suppression pool cooling subsystem. "The station has made the decision to shutdown the plant based on the results of troubleshooting performed on the RHR 'A' pump. The restoration of RHR 'A' pump will not be completed prior to the end of the 7 day LCO completion time. "Grand Gulf Nuclear Station initiated plant shutdown required by Technical Specifications 3.5.1, 3.6.1.7, and 3.6.2.3 at 1200 hours CDT on 08/29/2017 due to expected restoration of RHR 'A' exceeding the completion time of 7 days prior to restoring operability." The licensee notified the NRC Resident Inspector.