Preliminary Notification (PN) Reports for 2016

| January | February | March | July | August | September |

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September
PNO-IV-16-003	09/29/2016	Entergy Operations, Inc.: Grand Gulf Extended Plant Shutdown to Address Operations Performance
PNO-III-16-004A	09/23/2016	FirstEnergy Nuclear Operating Co. – (Update) Unplanned Shutdown Of Davis-Besse Nuclear Power Station For Greater Than 72 Hours
PNO-III-16-004	09/13/2016	FirstEnergy Nuclear Operating Co.: Unplanned Shutdown of Davis Besse Nuclear Power Station For Greater Than 72 Hours
August
PNO-IV-16-002	09/02/2016	Wolf Creek Nuclear Operating Corp.: Wolf Creek Plant Technical Specification Shutdown due to Reactor Coolant System Leakage
July
PNO-III-16-003	07/12/2016	Indiana Michigan Power Company: D.C. Cook Unit 2 Manual Trip Resulting in a Shutdown for Greater than 72 Hours
March
PNO-II-16-001	03/08/2016	Duke Energy: Oconee Unit 1 – Shutdown Greater Than 48 Hours Due To Fire/Explosion In the Main Transformer
February
PNO-III-16-002	02/18/2016	FirstEnergy Nuclear Operating Company: Perry Nuclear Power Plant – Unplanned Shutdown Greater Than 72 Hours Due to Spurious Opening of Safety Relief Valves and Subsequent Plant Start
PNO-III-16-001A	02/05/2016	FirstEnergy Nuclear Operating Company: Perry Nuclear Power Plant – Unplanned Shutdown Greater Than 72 Hours Due to Reactor Coolant System Leakage Exceeding Technical Specification Limits and Subsequent Plant Restart
January
PNO-III-16-001	01/29/2016	FirstEnergy Nuclear Operating Company: Perry Nuclear Power Plant – Unplanned Shutdown Greater Than 72 Hours Due to Reactor Coolant System Leakage Exceeding Technical Specification Limits