Pages that link to "PNO-V-86-089, on 861207,plant Seismic Monitor Detected Ground Motion Which Triggered Ripplemental Seismic Monitoring Sys.Ground Motion Measured 2.9 on Richter Scale"
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The following pages link to PNO-V-86-089, on 861207,plant Seismic Monitor Detected Ground Motion Which Triggered Ripplemental Seismic Monitoring Sys.Ground Motion Measured 2.9 on Richter Scale:
Displayed 17 items.
- PNO-V-87-073, on 871107,unit Trip Manually Initiated.Caused by Failure of motor-operated Disconnect in Main Generator 25 Kv Isophase Bus C.Repair & Unit Outage Will Take Between 2 Wks & 2 Months,Depending on Availability of Parts (← links)
- ML20236F461 (← links)
- ML20236F172 (← links)
- PNO-V-87-053, on 870723,high Radiation Alarm Automatically Diverted Liquid Radwaste Flow to Storage Tank.Licensee Determining Root Cause.Chemical Drain Tank Properly Recirculated & Sampled Prior to Discharge Per Procedure (← links)
- PNO-V-87-066, on 871006,while Performing Periodic Surveillance Testing of Control Rods at 100% Power,Rod Control Urgent Failure Alarm Received on Shutdown Bank A. Caused by Blown Fuses.Fuses Replaced & Alarm Cleared (← links)
- PNO-V-87-051, on 870714,reactor Trip & Safety Injection from 12% Power Occurred.Caused by turbine-generator Trip Due to High Steam Generator Water Level & Flickering High Steam Flow Bistables,Respectively.Root Causes Under Investigation (← links)
- PNO-V-86-075, on 861029,during Followup Insp of Accumulator Drain Fittings,Pin Hole Leaks Discovered in Accumulators 2-2 & 2-4 in Nonwelded Portion of Fitting.Cause Not Stated.Leaks Repaired (← links)
- PNO-V-86-074, on 861028,main Steam Valves Found W/Missing & Loosened Nuts That Secure Valve Disc to Hinge Arm. Deficiencies Discovered During Visual Exam as Part of Inservice Testing Exam (← links)
- PNO-V-87-030, on 870410,RHR Sys Capability Lost for Approx 90 Minutes.Caused by Entrainment of Air within RHR Pumps When RCS Water Level Dropped Due to Water Leakage Through Two Valves.Augmented Insp Team Dispatched (← links)
- ML20215F900 (← links)
- PNO-V-86-070, on 861004,discovered Two Snubbers on Charging Sys Mistakenly Removed.Charging Sys Required by Tech Specs for Refueling Boration Flow Path.Snubbers Reinstalled within Hour of Discovery (← links)
- PNO-V-87-041, on 870602,engineer in Containment Noted Weepage from RHR Sys Line While RHR in Svc.Cause of Effect Undetermined.Licensee Preparing Work Orders to Isolate, Examine & Repair Weld (← links)
- PNO-V-87-030A, on 870415,Region V Augmented Insp Team Commenced Insp Activities Re 870410 Loss of Suction to RHR While at Half Loop.Team Expects to Stay Onsite Through 870421.Summary of Sequence of Event Encl (← links)
- PNO-V-87-016, on 870221,shutdown Commenced Due to Train B of Solid State Protection Sys Not Returning to Svc within 2 H. Caused by High Steam Generator Level on Generator 1-4 & Feedwater Flow Instabilities & Valve Position Problem (← links)
- ML20211M123 (redirect page) (← links)
- PNO-V-86-089 (redirect page) (← links)
- PNO-V-87-014, on 870217,slow Shutdown from 100% Power Initiated to Investigate & Repair Main Generator Hydrogen Coolant Leak.Caused by Cracking in Stator Water Cooling Vent Line Due to Vibration.Outage Expected to Last Approx 1 Wk (← links)