ML101390505
| ML101390505 | |
| Person / Time | |
|---|---|
| Site: | Robinson  |
| Issue date: | 05/12/2010 |
| From: | Carolina Power & Light Co |
| To: | NRC/RGN-II |
| Shared Package | |
| ML101390483 | List: |
| References | |
| Download: ML101390505 (1) | |
Text
18:55 19:33 18:54 19:25 SM and STA B RCP #1 Seal PZR Level MSIVs automatically Leak-off Hi Temp 19:42 come to Main 19:51 At 14%, Letdown shut on loss of Alarm C RCP Control Room. Realigned 18:40 Isolates Instrument Bus 3 Bearing Hi Report Fire in 19:12 19:19 19:31 Charging Pump Before Trip: VCT at lowest Indicated Charging FCV-626 Temp Alarm 4 KV Bus 5 19:03 19:44 Suction to RWST C Component 18:53 SI Injection indicated level flow increases Opened based Clears 19:36 B RCP Cooling Water, B and C Charging begins to Charging Flow to 25 gpm based on PATH-1 20:05 A RCP Bearing Hi B RCP A & C Charging Pumps Pumps Started the RCS At 17.3 gpm on CS-310A Step 18:58 Bearing Hi Temp Alarm #1 Seal Leak-off Operating (PATH-1 Step)
Pressurizer Temp Alarm Clears Hi Temp 20:24 18:52 Empty Clears Alarm Clears 20:12 Transition to Crew Enters VCT level EPP-7 for PATH-1 back on scale SI Termination Event Times and Operator Actions 3/28/2010 6:30 PM 3/28/2010 8:26 PM 20:20 VCT level 18:52 19:45 >12.4 in.
19:00 Unit Trip - Loss of E- PZR Level 18:56 Auto SI on Low 19:34 >14% 19:53 2, B EDG Start and Pressurizer Press Transition to AOP-18 19:46 Started C Load 19:13 19:30 EPP-4. BOP C Charging Pump 19:24 Entered for Crew identifies Charging Loss of A Charging Trips on SI SI no longer B RCP A RCP RCP Pump Performing failure of RWST Pump due to loss of injecting to Bearing Hi Bearing Hi Conditions AOP-041 for LT-115 12.22 in. Auto Swap and DS Bus, Loss of C the RCS Temp Alarm Temp Alarm fire response LT-112 12.07 in. loss of Charging 19:49 Charging Pump due Secured B Auto Swap to 19:33 flow to lose of E-2 19:37 Charging RWST should have C RCP Loss of C CCW, B Bearing Hi Indicated Charging Pump CCW starts on loss occurred 19:31 Temp Alarm flow is lost based of Instrument Bus 4 B Charging Pump PZR level comes on VCT Outlet Temp C CCW starts on remains running at back on scale and Charging Pump sequencer 18.1 gpm Header Pressure FCV-626 closes due Transition to back loss of power event to PATH-1 Entry Point A SI Termination to ERO Deactivation 3/28/2010 8:26 PM 3/29/2010 2:00 AM 20:44 22:40 00:00 00:15 00:54 01:34 01:46 20:49 21:25 21:32 22:34 23:12 23:29 Safety Injection Letdown placed Reset of Main Positive indication Notifications OSC Activated EOF and TSC JIC Activated Event ERO Facilities Transition from Phone call to Control ERO Pumps Secured back in service Generator Lockout Grounds on both A made to Activated Terminated Deactivated EPP-7 to Room from Transmission Activated GP-004 Reporting Unit Aux Relay (86P) And B DC Buses State and Transformer Fault and Initiation of the Reported to Control Counties Oil leak second fire Room 23:00 event ALERT Declared May 10 - Draft Rev 11b Enclosure 2