Pages that link to "PNO-III-80-170, on 800904,efforts to Remove Bolts from Steam Generator Upper Supports Resulted in Breaking Two Bolts. Ultrasonic Examination of All of Bolts Identified Addl Defects.Cause Could Be Stress Corrosion Cracking"
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The following pages link to PNO-III-80-170, on 800904,efforts to Remove Bolts from Steam Generator Upper Supports Resulted in Breaking Two Bolts. Ultrasonic Examination of All of Bolts Identified Addl Defects.Cause Could Be Stress Corrosion Cracking:
Displayed 18 items.
- PNO-III-85-079, on 850907,unidentified Man Telephoned Threat That Bombs Planted Down River from Plant.Police Found No Bomb.Threat Considered Hoax by Licensee.State of Mn Will Be Informed (← links)
- PNO-III-85-082, on 850917,bomb Threat Received.No Suspects Found.Threat Considered Hoax & No Plant Search Taken (← links)
- PNO-III-88-020, on 880310,sample Results from Unit 1 Sump Indicated Small Amount of Reactor Coolant Leakage Showing Measurements of Less than 0.1 Gpm.Visual Insp Revealed Misting in Reactor Head.Region III Monitoring Situation (← links)
- ML20148D729 (redirect page) (← links)
- PNO-III-80-170 (redirect page) (← links)
- PNO-III-97-047, on 970516,WI Energy Co & Northern States Power Co Announced They Were Terminating Plans for Proposed Merger of Two Companies Into New Co,Primergy Corp.Two Utils Issued News Releases on Decision (← links)
- PNO-III-97-053, on 970602,Unit 1 Experienced Automatic Reactor Trip from 100% Power,Due to Electrical Failure in One of Three Control Rod Control Cabinets.All Safety Sys Functioned as Designed & Reactor Stabilized in Hot Shutdown (← links)
- ML20126B730 (← links)
- PNO-III-98-051, on 981029,Prairie Island Unit 1 Automatically Tripped from 100 Percent Power Due to Negative Flux Rate Reactor Flux Rate Trip Signal.Nrc Resident Inspectors Are Monitoring Licensee Investigation & Repair Activities (← links)
- PNO-III-98-032, on 980605,unit 1 Experienced Automatic Reactor Trip When Control Rod Dropped Into Reactor Core. Caused by Blown Fuse on Stationary Gripper Coil Due to Ground in Wiring to Coil (← links)
- PNO-III-88-091, on 881108,facility Shut Down for Condenser Repairs.Repair Work Includes Leak in Steam Line Inside Condenser Identified on 881103 & Condenser Tube Leak Observed on 881106 (← links)
- PNO-III-98-011, on 980123,unidentified Leakage Increased by Approx 10 to 0.2 Gallons Per Minute.Licensee Began Preparations to Shut Down & Repair Leak in Canopy Seal (← links)
- PNO-III-99-001, on 990105,Unit 1 Station Auxiliary Transformer Exploded Ignited Oil Fire.Fire Extinguished within 15 Minutes by Onsite Fire Brigade.Unit 2 Operating at 60 Percent Power,Was Not Affected by Explosion & Fire (← links)
- ML20249B183 (← links)
- ML20236V373 (← links)
- ML20236J735 (← links)
- PNO-III-86-139, on 861129,licensee Received Offsite Call at Station Switchboard from Unidentified Male Indicating That Bomb Planted in Reactor Would Go Off in 5 Minutes.Station Search Initiated.No Bomb Found (← links)
- PNO-III-98-011A, on 980124,licensee Shut Down Unit 2 to Investigate Reactor Coolant Leak Associated with Control Rod Drive Mechanism G-9.Licensee Identified Source of Leak as 3/4 Inch through-wall Crack in Manufacturing Weld (← links)