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| Issue date | Title | Topic | |
|---|---|---|---|
| ML20135G722 | 14 May 2020 | Final ASP Analysis - ANO 1 (LER 313-96-005) | |
| 05000313/LER-2017-002 | 26 July 2017 | High Pressure Injection Pump Inoperable for Greater Than Technical Specification Completion Time LER 17-002-00 for Arkansas Nuclear One, Unit 1, Regarding High Pressure Injection Pump Inoperable for Greater Than Technical Specification Completion Time | |
| 05000368/LER-2017-002 | 26 June 2017 | Automatic Start of an Emergency Diesel Generator Due to the Momentary Loss of Offsite Power due to Severe Weather LER 17-002-00 for Arkansas Nuclear One, Unit 2, Regarding Automatic Start of an Emergency Diesel Generator Due to the Momentary Loss of Offsite Power due to Severe Weather | Safe Shutdown High winds Mission time |
| 05000313/LER-2017-001 | 26 June 2017 | Automatic Start of an Emergency Diesel Generator Due to the Loss of Offsite Power due to Severe Weather LER 17-001-00 for Arkansas Nuclear One, Unit 1, Regarding Automatic Start of an Emergency Diesel Generator Due to the Loss of Offsite Power due to Severe Weather | Safe Shutdown High winds Slow transfer |
| 05000313/LER-2016-003 | 9 June 2017 | Tornado Missile Vulnerabilities Resulting in Unanalyzed Condition LER 16-003-01 for Arkansas Nuclear One, Unit 1 Regarding Tornado Missile Vulnerabilities Resulting in Unanalyzed Condition | Safe Shutdown Unanalyzed Condition Tornado Missile Enforcement Discretion FLEX Tornado Generated Missile Tornado Missile Protection TORMIS Tornado Missile Risk Evaluator |
| 05000368/LER-2017-001 | 30 May 2017 | Inadequate Protection from Tornado Missiles Identified Due to Nonconforming Design Conditions LER 17-001-00 for Arkansas Nuclear One, Unit 2, Regarding Inadequate Protection from Tornado Missiles Identified Due to Nonconforming Design Conditions | Safe Shutdown Unanalyzed Condition Tornado Missile Enforcement Discretion FLEX Tornado Generated Missile Tornado Missile Protection TORMIS Tornado Missile Risk Evaluator |
| 05000313/LER-2016-004 | 29 November 2016 | Decay Heat Removal System Socket Weld Leak due to a Vibration-Induced Fatigue Crack LER 16-004-00 for Arkansas Nuclear One, Unit 1, Regarding Decay Heat Removal System Socket Weld Leak Due to a Vibration-Induced Fatigue Crack | Safe Shutdown Time of Discovery |
| 05000368/LER-2016-001 | 15 November 2016 | Failure of One Emergency Diesel Generator and Subsequent Required Shutdown of Arkansas Nuclear One, Unit 2 LER 16-001-00 for Arkansas Nuclear One, Unit 2, Regarding Failure of One Emergency Diesel Generator and Subsequent Required Shutdown | Safe Shutdown Time of Discovery |
| 05000313/LER-2016-002 | 11 August 2016 | Tornado Missile Vulnerability Resulting in Condition Prohibited By Technical Specifications LER 16-002-00 for Arkansas Nuclear One, Unit 1, Regarding Tornado Missile Vulnerability Resulting in Condition Prohibited By Technical Specifications | Safe Shutdown Enforcement Discretion Tornado Generated Missile Tornado Missile Protection |
| 05000313/LER-2016-001 | 18 May 2016 | Non-Functional External Penetration Flood Seals LER 16-001-00 for Arkansas Nuclear One, Unit 1, Regarding Non-Functional External Penetration Flood Seals | Safe Shutdown Unanalyzed Condition Fukushima Dai-Ichi |
| 05000313/LER-2015-001 | 12 February 2016 | Manual Reactor Trio Due to Oscillations in the Feedwater System LER 15-001-00 for Arkansas Nuclear One, Unit 1, Regarding Manual Reactor Trip Due to Oscillations in the Feedwater System | |
| 2CAN051405, LER 14-01-00 for Arkansas Nuclear One, Unit 2 Regarding Operation of Switchgear Rooms Ventilation Prohibited by Technical Specifications | 15 May 2014 | LER 14-01-00 for Arkansas Nuclear One, Unit 2 Regarding Operation of Switchgear Rooms Ventilation Prohibited by Technical Specifications | |
| 0CAN050202, LER 02-S01-00 for Arkansas Nuclear One Units 1 and 2, Compensatory Measures Were Removed While a Security Perimeter Intrusion Detection Microwave Field Remained Disarmed | 10 May 2002 | LER 02-S01-00 for Arkansas Nuclear One Units 1 and 2, Compensatory Measures Were Removed While a Security Perimeter Intrusion Detection Microwave Field Remained Disarmed |