LER-1997-007, Forwards LER 97-007-01 Re 970730 Automatic Reactor Trip That Occurred Due to Closure of B Msiv.Rept Is Being Submitted Per 10CFR50.73 |
| Event date: |
|
|---|
| Report date: |
|
|---|
| 2501997007R01 - NRC Website |
|
text
~
CATEGORY 1 ~
REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)
ACCESSION NBR:9806230036 DOC.DATE: 98/06/18 NOTARIZED: NO FACIL:50-250 Turkey Point Plant, Unit 3, Florida Power and Light C AUTH.NAME AUTHOR AFFILIATION HOVEY,R.J.
Florida Power 6 Light Co.
RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)
DOCKET ¹ 05000250
SUBJECT:
Forwards LER 97-007-01 re 970730 automatic reactor trip that
'ccurred due to closure of B MSIV.Rept is being submitted per 10CFR50.73.
DISTRIBUTION CODE: IE22T COPIES RECEIVED:LTR l ENCL SIZE:
TITLE: 50.73/50.9 Licensee Event Report (LER), Incident Rpt, etc.
NOTES:
RECIPIENT ID CODE/NAME PD2-3 PD INTERNAL: AEO RAB XLE CE ER R/T)E/EEL NRR/DRCH/HHFB NRR/DRCH/HOLB NRR/DRPM/PECB NRR/DSSA/SRXB RGN2 FILE 01 EXTERNAL: L ST LOBBY WARD NOAC POORE,W.
NRC PDR COPIES LTTR ENCL 1
1 2
2 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 RECIPIENT ID CODE/NAME JABBOUR,K AEOD/SPD/RRAB NRR/DE/ECGB NRR/DE/EMEB NRR/DRCH/HICB NRR/DRCH/HQMB NRR/DSSA/SPLB RES/DET/EIB LITCO BRYCEg J H
NOAC QUEENER,DS NUDOCS FULL TXT COPIES LTTR ENCL 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1, 1 1
1 1
1 1
1 0
R D
E N
NOTE TO ALL "RIDS" RECIPIENTS:
PLEASE HELP US TO REDUCE WASTE. TO HAVE YOUR NAME OR ORGANIZATION REMOVED FROM DISTRIBUTION LISTS OR REDUCE THE NUMBER OF COPIES RECEIVED BY YOU OR YOUR ORGANIZATION, CONTACT THE DOCUMENT CONTROL DESK (DCD)
ON EXTENSION 415-2083 FULL TEXT CONVERSION REQUXRED TOTAL NUMBER OF COPIES REQUXRED:
LTTR 24 ENCL 24
igUg yS tave L-98-044 10 CFR 50.73 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D. C. 20555 Re:
Turkey Point Unit 3 Docket No. 50-250 Reportable Event: 97-007-01 Date ofEvent: July 30, 1997 Automa ic Reactor Tri due to Closure ofthe B Main team Isolation Valve The attached Licensee Event Report 250/97-007-01 is being submitted pursuant to the requirements of 10 CFR 50.73.
Sincerely, R. J. Hovey Vice President Turkey Point Plant Attachment cc:
Regional Administrator, USNRC Region II Senior Resident Inspector, USNRC, Turkey Point Plant 9806230036 980618 PDR ADQCK 05000250 8
PDR an FPL Group company
|
|---|
|
|
| | | Reporting criterion |
|---|
| 05000251/LER-1997-001-02, :on 970327,ECCS Recirculation Loop Leakage Was Found to Be in Condition Outside Design Basis Due to Gasket Movement During Installation During Spring 1966 Reassembly. Gasket Replaced & Pump Tested |
- on 970327,ECCS Recirculation Loop Leakage Was Found to Be in Condition Outside Design Basis Due to Gasket Movement During Installation During Spring 1966 Reassembly. Gasket Replaced & Pump Tested
| 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition | | 05000250/LER-1997-001-01, :on 970118,missed Surveillance on CR Position Verification Occurred Due to Inoperable Rod Deviation Monitor.Faulty Circuit Common Connection Was Corrected & Rdm Operability Was Restored |
- on 970118,missed Surveillance on CR Position Verification Occurred Due to Inoperable Rod Deviation Monitor.Faulty Circuit Common Connection Was Corrected & Rdm Operability Was Restored
| 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications | | 05000251/LER-1997-002-02, :on 970423,automatic Reactor Tripped.Caused by Actuation of Turbine Overspeed Protection Circuit. Administrative Procedures Governing Inadequate Work Controls Will Be Revised to Capture Lessons Learned |
- on 970423,automatic Reactor Tripped.Caused by Actuation of Turbine Overspeed Protection Circuit. Administrative Procedures Governing Inadequate Work Controls Will Be Revised to Capture Lessons Learned
| 10 CFR 50.73(a)(2)(iv), System Actuation | | 05000250/LER-1997-002-01, :on 970303,manual Reactor Trip Following Rod Control Urgent Failure Alarm Occurred.Caused by Phase Failure Detection on Stationary a Circuits of 2BD Rod Control Cabinet.Air Conditioning Replaced |
- on 970303,manual Reactor Trip Following Rod Control Urgent Failure Alarm Occurred.Caused by Phase Failure Detection on Stationary a Circuits of 2BD Rod Control Cabinet.Air Conditioning Replaced
| 10 CFR 50.73(a)(2)(iv), System Actuation | | 05000250/LER-1997-003-01, :on 970410,mode Changed W/O Meeting Requirements of TS 3.0.4 Due to Inadequate Procedural Guidance.Night Order Was Issued to Inform Personnel That S/G Blowdown Keylock Switches Were Left in Drain |
- on 970410,mode Changed W/O Meeting Requirements of TS 3.0.4 Due to Inadequate Procedural Guidance.Night Order Was Issued to Inform Personnel That S/G Blowdown Keylock Switches Were Left in Drain
| 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications | | 05000250/LER-1997-004-01, :on 970411,auxiliary Feedwater Automatic Start Upon Trip of All Main Feedwater Pumps,Occurred.Caused by Mispositioned Valve Closing.Valves Listed as Inappropriately Positioned Were Repositioned |
- on 970411,auxiliary Feedwater Automatic Start Upon Trip of All Main Feedwater Pumps,Occurred.Caused by Mispositioned Valve Closing.Valves Listed as Inappropriately Positioned Were Repositioned
| 10 CFR 50.73(a)(2)(iv), System Actuation | | 05000250/LER-1997-005-01, :on 970618,RCP Oil Collection Sys Was Found Outside Design Basis.Caused Because Design Did Not Consider Component Parts to Be Potential Leakage Sources.Entire RCP Oil Collection Sys Was Reviewed |
- on 970618,RCP Oil Collection Sys Was Found Outside Design Basis.Caused Because Design Did Not Consider Component Parts to Be Potential Leakage Sources.Entire RCP Oil Collection Sys Was Reviewed
| 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition | | 05000250/LER-1997-006-02, :on 970722,manual Reactor Trip Occurred Due to Failed Rod Control Power Supplies.Replaced Twelve Power Supplies in Rod Control Logic & Power Cabinets |
- on 970722,manual Reactor Trip Occurred Due to Failed Rod Control Power Supplies.Replaced Twelve Power Supplies in Rod Control Logic & Power Cabinets
| 10 CFR 50.73(a)(2)(iv), System Actuation | | 05000250/LER-1997-007, :on 970730,automatic Reactor Trip Occurred Due to Closure of B Msiv.Caused by Failed BFD22S Relay.Six Relays on 3A,3B & 3C MSIVs Were Replaced & Implemented Plant Change to Disable Electronic Trip Function on 3 AFW Pumps |
- on 970730,automatic Reactor Trip Occurred Due to Closure of B Msiv.Caused by Failed BFD22S Relay.Six Relays on 3A,3B & 3C MSIVs Were Replaced & Implemented Plant Change to Disable Electronic Trip Function on 3 AFW Pumps
| | | 05000250/LER-1997-007-01, Forwards LER 97-007-01 Re 970730 Automatic Reactor Trip That Occurred Due to Closure of B Msiv.Rept Is Being Submitted Per 10CFR50.73 | Forwards LER 97-007-01 Re 970730 Automatic Reactor Trip That Occurred Due to Closure of B Msiv.Rept Is Being Submitted Per 10CFR50.73 | | | 05000250/LER-1997-008-01, :on 970909,containment Sump Debris Screens Outside Design Basis Due to Stress Damage Was Discovered. Caused by Inadequate Procedural Guidance & Personnel Error. Discrepancies Found on Screens Corrected |
- on 970909,containment Sump Debris Screens Outside Design Basis Due to Stress Damage Was Discovered. Caused by Inadequate Procedural Guidance & Personnel Error. Discrepancies Found on Screens Corrected
| | | 05000250/LER-1997-009-01, Forwards LER 97-009-01 Re Discovery That CR Console Switch for 3B SGFP Was Not in Start Position.Ler Is Being Revised to Include Attachment Providing Simplified Auxiliary Feedwater Initiation Logic Diagram for Loss of SGFPs | Forwards LER 97-009-01 Re Discovery That CR Console Switch for 3B SGFP Was Not in Start Position.Ler Is Being Revised to Include Attachment Providing Simplified Auxiliary Feedwater Initiation Logic Diagram for Loss of SGFPs | | | 05000250/LER-1997-009, :on 971114,discovered That CR Console Switch for 3B SGFP Was Not in Start Position.Caused by Inadequate Procedural Guidance.Revised Procedures 3/4-OP-074,informed Personnel of Event & Performed Walkdown of CR |
- on 971114,discovered That CR Console Switch for 3B SGFP Was Not in Start Position.Caused by Inadequate Procedural Guidance.Revised Procedures 3/4-OP-074,informed Personnel of Event & Performed Walkdown of CR
| |
|