05000278/LER-1998-001, Forwards LER 98-001-00,re Failure of 3A Core Spray Pump to Meet TS 3.5.1 as Result of Foreign Matl Intrusion Into Pump Impeller Area

From kanterella

(Redirected from 05000278/LER-1998-001)

Jump to navigation Jump to search

Forwards LER 98-001-00,re Failure of 3A Core Spray Pump to Meet TS 3.5.1 as Result of Foreign Matl Intrusion Into Pump Impeller Area
Person / Time
ML20217E825
Site:	Peach Bottom
Issue date:	04/22/1998
From:	Warner M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20217E831	List: 05000278/LER-1998-001, Forwards LER 98-001-00,re Failure of 3A Core Spray Pump to Meet TS 3.5.1 as Result of Foreign Matl Intrusion Into Pump Impeller Area 05000278/LER-1998-001-01, :on 971103,3A CS Pump Failed to Meet TS 3.5.1. Caused by Less than Adequate Focus on Foreign Matl Exclusion During 3R11 Suction Strainer replacement.3A CS Pump Was Disassembled,Matl Was Removed & Pump Was Reassembled
References
NUDOCS 9804270433
Download: ML20217E825 (1)
v • d • e

LER-1998-001, Forwards LER 98-001-00,re Failure of 3A Core Spray Pump to Meet TS 3.5.1 as Result of Foreign Matl Intrusion Into Pump Impeller Area

Event date:
Report date:
2781998001R00 - NRC Website
v • d • e

text

Mark E Warner Plant Manager Peach Bottom Atomic Power Station PECO NUCLEAR igogpgr-A Unit of PECO Energy Dga P 7314 4032 5 2gg 1

I April 22,1998 Document Control Desk U. S. Nuclear Regulatory Commission Washirigton, DC 20555 Docket No. 50-278 SUBJECT: Licensee Event Report, Peach Bottom Atomic Power Station Unit 3 This LER reports the failure of the 3A Core Spray pump to meet technical specification performance requirement as designated in TS 3.5.1 as a result of foreign material intrusion into the pump impeller area.

Reference: Docket No. 50-278 Report Number: 3-98-001 Revision Number: 00 Event Date: 11/03/97 Discovery Date: 3/25/98 Report Date: 04/22/98 i

l Facility: Peach Bottom Atomic Power Station j

1848 Lay Road, Delta, PA 17314 l

l 1

l Sincerely,

& E A<s9 GJL:gjl enclosure cc:

N. J. Sprout, Public Service Electric & Gas R. R. Janati, Commonwealth of Pennsylvania j

INPO Records Center H. J. Miller, US NRC, Administrator, Region i R. I. McLean, State of Maryland A. C. McMurtray, US NRC, Senior Resident inspector A. F. Kirby ill, DelMarVa Power CCN 98-14029 9004270433 980422

,, Y PDR ADOCK 05000278

/ll' S

PDR o.

Licensee Event Report

70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 |

90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |

10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 |

		Reporting criterion
05000278/LER-1998-001, Forwards LER 98-001-00,re Failure of 3A Core Spray Pump to Meet TS 3.5.1 as Result of Foreign Matl Intrusion Into Pump Impeller Area	Forwards LER 98-001-00,re Failure of 3A Core Spray Pump to Meet TS 3.5.1 as Result of Foreign Matl Intrusion Into Pump Impeller Area
05000277/LER-1998-001-02, :on 960118,failure to Perform SR for First Recirculation Pump Start Was Noted.Caused by Inadequate Review of ITS Requirements.Revised Procedure to Include Appropriate SRs	on 960118,failure to Perform SR for First Recirculation Pump Start Was Noted.Caused by Inadequate Review of ITS Requirements.Revised Procedure to Include Appropriate SRs	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications
05000278/LER-1998-001-01, :on 971103,3A CS Pump Failed to Meet TS 3.5.1. Caused by Less than Adequate Focus on Foreign Matl Exclusion During 3R11 Suction Strainer replacement.3A CS Pump Was Disassembled,Matl Was Removed & Pump Was Reassembled	on 971103,3A CS Pump Failed to Meet TS 3.5.1. Caused by Less than Adequate Focus on Foreign Matl Exclusion During 3R11 Suction Strainer replacement.3A CS Pump Was Disassembled,Matl Was Removed & Pump Was Reassembled	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications
05000277/LER-1998-001, Forwards LER 98-001-00,re Failure to Perform SR for RCS Temp Limits When Starting First Recirculation Pump	Forwards LER 98-001-00,re Failure to Perform SR for RCS Temp Limits When Starting First Recirculation Pump	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications
05000277/LER-1998-002-01, Forwards LER 98-002-01 Which Retracts Original LER Re Loss of Both Trains of MCR Emergency Ventilation That Occurred on 980505	Forwards LER 98-002-01 Which Retracts Original LER Re Loss of Both Trains of MCR Emergency Ventilation That Occurred on 980505
05000277/LER-1998-002, Forwards Details of LER 98-002-00 Re 980505 Loss of Both Trains of Main CR Emergency Ventilation Sys,Per Requirements of 10CFR50.73(a)(2)(i)(B)	Forwards Details of LER 98-002-00 Re 980505 Loss of Both Trains of Main CR Emergency Ventilation Sys,Per Requirements of 10CFR50.73(a)(2)(i)(B)	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications
05000278/LER-1998-002, Forwards LER 98-002-00,reporting Failure to Meet TS Requirements for Unit 3 RCIC During Period When Overspeed Trip Function Could Have Resulted in Inadvertent Trip During RCIC Operation	Forwards LER 98-002-00,reporting Failure to Meet TS Requirements for Unit 3 RCIC During Period When Overspeed Trip Function Could Have Resulted in Inadvertent Trip During RCIC Operation
05000278/LER-1998-002-02, :on 980504,failure to Meet TS for Rcic,Was Revealed.Caused by Incomplete Procedural Guidance.Various Components Including Trip Tappet,Head Lever & Tappet Guide Were Replaced	on 980504,failure to Meet TS for Rcic,Was Revealed.Caused by Incomplete Procedural Guidance.Various Components Including Trip Tappet,Head Lever & Tappet Guide Were Replaced	10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)
05000277/LER-1998-003, Forwards LER 98-003-00,which Reports 980513 Failure to Meet TS for Main Crev,Per 10CFR50.73(a)(2)(i)(B)	Forwards LER 98-003-00,which Reports 980513 Failure to Meet TS for Main Crev,Per 10CFR50.73(a)(2)(i)(B)	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications
05000278/LER-1998-003-03, :on 980328,identified Failure to Meet TS for IST Stroke Timing of Msivs.Caused by Incorrect Interpretation of Required Testing Frequency.Reset Subject Surveillances to Appropriate TS Frequency	on 980328,identified Failure to Meet TS for IST Stroke Timing of Msivs.Caused by Incorrect Interpretation of Required Testing Frequency.Reset Subject Surveillances to Appropriate TS Frequency	10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) 10 CFR 50.73(a)(2)
05000277/LER-1998-003-01, :on 980513,failure to Meet TS for Main Control Room Emergency Ventilation,Was Identified.Caused by Failure to Follow GP-25 Procedure Guidance.Main Control Room Emergency Ventilation Relays Inspected for Loose Screws	on 980513,failure to Meet TS for Main Control Room Emergency Ventilation,Was Identified.Caused by Failure to Follow GP-25 Procedure Guidance.Main Control Room Emergency Ventilation Relays Inspected for Loose Screws	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)
05000277/LER-1998-004, Forwards LER 98-004-00,reporting Failure to Meet TS Surveillance Requirements for One off-site Source Being Inoperable & 10CFR50.73(a)(2)(i)(B)	Forwards LER 98-004-00,reporting Failure to Meet TS Surveillance Requirements for One off-site Source Being Inoperable & 10CFR50.73(a)(2)(i)(B)	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications
05000277/LER-1998-004-01, :on 980606,failure to Meet TS for off-site Source,Was Determined.Caused by Lightning Strike & No Positive Verification That Tap Changer Was operational.3SU Tap Changer Circuitry Was Repaired,Tested & Returned to Svc	on 980606,failure to Meet TS for off-site Source,Was Determined.Caused by Lightning Strike & No Positive Verification That Tap Changer Was operational.3SU Tap Changer Circuitry Was Repaired,Tested & Returned to Svc	10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)
05000278/LER-1998-004, Forwards LER 98-004-00 Re ESF Actuation of Rwcs Due to High Flow Signal During Sys Restoration on 980820	Forwards LER 98-004-00 Re ESF Actuation of Rwcs Due to High Flow Signal During Sys Restoration on 980820
05000278/LER-1998-004-03, :on 980820,automatic RWCU Isolation Occurred While Placing B RWCU Sys Demineralizer in Svc.Caused by less-than-adequate Control of Equipment.Isolated B Demineralizer & Returned RWCU Sys to Svc	on 980820,automatic RWCU Isolation Occurred While Placing B RWCU Sys Demineralizer in Svc.Caused by less-than-adequate Control of Equipment.Isolated B Demineralizer & Returned RWCU Sys to Svc	10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(x) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)
05000278/LER-1998-005-03, :on 981025,inadvertent Unit 3 Electrical Bus E33 Trip (Esfa) During Performance of Unit 2 Electrical Bus E32 Surveillance Test Was Noted.Caused by Personnel Error. Sp S12M-54-E32-XXF4 Was Completed.With	on 981025,inadvertent Unit 3 Electrical Bus E33 Trip (Esfa) During Performance of Unit 2 Electrical Bus E32 Surveillance Test Was Noted.Caused by Personnel Error. Sp S12M-54-E32-XXF4 Was Completed.With	10 CFR 50.73(a)(2)(iv), System Actuation
05000277/LER-1998-005, Forwards LER 98-005-00 Re 980824 Failure to Meet TS Actions for Suppression chamber-to-drywell Vacuum Breaker Not Being Fully Seated	Forwards LER 98-005-00 Re 980824 Failure to Meet TS Actions for Suppression chamber-to-drywell Vacuum Breaker Not Being Fully Seated	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications
05000277/LER-1998-005-02, :on 980824,noted Failure to Meet TS Actions for Suppression chamber-to-drywell Vacuum Breaker Not Being Fully Seated.Caused by Personnel Failing to Take All TS Required Actions.Temporary Procedure Changes Were Made	on 980824,noted Failure to Meet TS Actions for Suppression chamber-to-drywell Vacuum Breaker Not Being Fully Seated.Caused by Personnel Failing to Take All TS Required Actions.Temporary Procedure Changes Were Made	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition
05000277/LER-1998-006-02, :on 980915,automatic RWCU Isolation Occurred While Placing RWCU Sys in Svc.Caused by Unexpected Surge of Water.Procedure Change Was Initiated to Open MO-2-12-74 & RWCU Sys Was Successfully Returned to Svc.With	on 980915,automatic RWCU Isolation Occurred While Placing RWCU Sys in Svc.Caused by Unexpected Surge of Water.Procedure Change Was Initiated to Open MO-2-12-74 & RWCU Sys Was Successfully Returned to Svc.With	10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition
05000277/LER-1998-007-02, :on 981107,failure to Meet TS & Associated LCO Requirments of Absolute Difference in APRM & Calculated Power of Less than 2% Was Noted.Caused by Substitute Valves Being Used.Removed Substitute Valves.With	on 981107,failure to Meet TS & Associated LCO Requirments of Absolute Difference in APRM & Calculated Power of Less than 2% Was Noted.Caused by Substitute Valves Being Used.Removed Substitute Valves.With	10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(viii) 10 CFR 50.73(a)(2)
05000277/LER-1998-008-01, :on 981130,circuit Breaker SU-25 Tripped.Caused by Less than Adequate Procedural Guidance.Operators Verified Sys Integrity & Successfully Returned Sys to Svc.With	on 981130,circuit Breaker SU-25 Tripped.Caused by Less than Adequate Procedural Guidance.Operators Verified Sys Integrity & Successfully Returned Sys to Svc.With	10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii) 10 CFR 50.73(a)(2)
05000278/LER-1998-009-01, :on 981227,unplanned Esfa Were Noted.Caused by Transformer Insulator Failure.Replaced Failed Insulator. with	on 981227,unplanned Esfa Were Noted.Caused by Transformer Insulator Failure.Replaced Failed Insulator. with	10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(iv), System Actuation 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(x) 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition 10 CFR 50.73(a)(2)(viii)

Retrieved from "https://kanterella.com/w/index.php?title=05000278/LER-1998-001,_Forwards_LER_98-001-00,re_Failure_of_3A_Core_Spray_Pump_to_Meet_TS_3.5.1_as_Result_of_Foreign_Matl_Intrusion_Into_Pump_Impeller_Area&oldid=3964425"