Illinois Department of Nuclear Safety

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Illinois Department of Nuclear Safety (Illinois)

	Site	License number	Start date	Title	Topic
ENS 48511	Byron		1 October 2012 20:03:00	60-Day Optional Telephonic Notification of Invalid System Actuation
ENS 46184	Quad Cities		17 August 2010 19:14:00	Manual Reactor Scram Initiated Due to Recirculation Pump Trip
ENS 45352	LaSalle		16 September 2009 06:39:00	Loss of Communications	Health Physics Network
ENS 40493	Clinton		31 January 2004 00:45:00	Contractor Supervisor Tested Positive for Alcohol
ENS 40088	Rush North Medical Center	IL-01578-01	18 August 2003 16:00:00	Patient Exceeded Prescribed Dose.	Brachytherapy

	Site	Start date	Title
05000461/LER-1999-007, Forwards LER 99-007-00,re Design Error Causing Main Steam Isolation Valve Leakage Control Sys to Be Outside Design Basis.Commitment Made by Util,Listed	Clinton	12 June 1999	Forwards LER 99-007-00,re Design Error Causing Main Steam Isolation Valve Leakage Control Sys to Be Outside Design Basis.Commitment Made by Util,Listed
05000461/LER-1998-026, Forwards LER 98-026-00 Re Incorrect Supplier Design,Iaw 10CFR50.73.Commitment Made by Util Listed	Clinton	18 December 1998	Forwards LER 98-026-00 Re Incorrect Supplier Design,Iaw 10CFR50.73.Commitment Made by Util Listed
05000461/LER-1998-027, Forwards LER 98-027-00,re Failure to Perform Surveillance Testing on Div II 4.16 Kv Bus Undervoltage Relay within Specified Frequency.Commitments Listed	Clinton	19 October 1998	Forwards LER 98-027-00,re Failure to Perform Surveillance Testing on Div II 4.16 Kv Bus Undervoltage Relay within Specified Frequency.Commitments Listed
05000461/LER-1998-032, Forwards LER 98-032-00 Re Excessive Voltage Drop in Control Circuit for Division 3 Diesel Output Circuit Breaker. Commitments Made by Util,Listed	Clinton	1 October 1998	Forwards LER 98-032-00 Re Excessive Voltage Drop in Control Circuit for Division 3 Diesel Output Circuit Breaker. Commitments Made by Util,Listed
05000461/LER-1998-030, Forwards LER 98-030-00,re Insufficient Suppression Pool Makeup Volume to Meet Design Basis.Commitments Made by Util, Listed	Clinton	28 September 1998	Forwards LER 98-030-00,re Insufficient Suppression Pool Makeup Volume to Meet Design Basis.Commitments Made by Util, Listed
05000461/LER-1998-031, Forwards LER 98-031-00 Re Surveillance Procedures Which Do Not Adequately Consider Accuracy of Installed Instrumentation in Meeting TS Requirements for DG Loading. Commitments,Listed	Clinton	28 September 1998	Forwards LER 98-031-00 Re Surveillance Procedures Which Do Not Adequately Consider Accuracy of Installed Instrumentation in Meeting TS Requirements for DG Loading. Commitments,Listed
05000461/LER-1998-021, Forwards LER 98-021-00,re Cracks in Medium & High Density Silicone Penetration Seals Not Per Design Basis.Commitments Made within Ltr,Listed	Clinton	18 August 1998	Forwards LER 98-021-00,re Cracks in Medium & High Density Silicone Penetration Seals Not Per Design Basis.Commitments Made within Ltr,Listed
05000461/LER-1998-020, Forwards LER 98-020-00 Re Inadequate Flow Balancing of Shutdown SWS Which Resulted in Less than Required Flow to SWS Loads.Commitment Made by Util,Listed	Clinton	8 July 1998	Forwards LER 98-020-00 Re Inadequate Flow Balancing of Shutdown SWS Which Resulted in Less than Required Flow to SWS Loads.Commitment Made by Util,Listed
05000461/LER-1998-019, Forwards LER 98-019-00 Re Failure to Satisfy TS for Ensuring That Electrical Loads Properly Sequence Onto safety-related Buses.Commitments Made by Util,Listed	Clinton	19 May 1998	Forwards LER 98-019-00 Re Failure to Satisfy TS for Ensuring That Electrical Loads Properly Sequence Onto safety-related Buses.Commitments Made by Util,Listed
05000304/LER-1998-002, Forwards LER 98-002-00 IAW 10CFR50.73(a)(2)(i)(B). Commitments Made within Ltr,Encl	Zion	8 May 1998	Forwards LER 98-002-00 IAW 10CFR50.73(a)(2)(i)(B). Commitments Made within Ltr,Encl
05000295/LER-1997-017, Forwards LER 97-017-01,which Clarifies Info on Event Description,Root Causes & Analysis.Cas Have Been Updated. Attachment a Provides Commitments Associated W/ Correspondence	Zion	10 April 1998	Forwards LER 97-017-01,which Clarifies Info on Event Description,Root Causes & Analysis.Cas Have Been Updated. Attachment a Provides Commitments Associated W/ Correspondence
05000295/LER-1997-018, Forwards LER 97-018-01,which Clarifies Info on Event Description,Root Causes & Safety Analysis.Corrective Actions Have Also Been Updated.Commitments Made within Ltr,Encl	Zion	10 April 1998	Forwards LER 97-018-01,which Clarifies Info on Event Description,Root Causes & Safety Analysis.Corrective Actions Have Also Been Updated.Commitments Made within Ltr,Encl
05000461/LER-1998-010, Forwards LER 98-010-00 & 10CFR21 Rept 21-97-060 Re Inoperable Divisions 1 & 2 Hydrogen & Oxygen Analyzers Due to Inadequate Commercial Grade Dedication of safety-related Replacement Parts.Commitments,Listed	Clinton	10 April 1998	Forwards LER 98-010-00 & 10CFR21 Rept 21-97-060 Re Inoperable Divisions 1 & 2 Hydrogen & Oxygen Analyzers Due to Inadequate Commercial Grade Dedication of safety-related Replacement Parts.Commitments,Listed
05000461/LER-1998-008, Forwards LER 98-008-00,re Division I Hydrogen & Oxygen Analyzer Incapable of Meeting Design Basis Due to an Excessive Vibration Condition on Air Compressor.Caused by Personnel Error.Commitments Made within Ltr,Listed	Clinton	8 April 1998	Forwards LER 98-008-00,re Division I Hydrogen & Oxygen Analyzer Incapable of Meeting Design Basis Due to an Excessive Vibration Condition on Air Compressor.Caused by Personnel Error.Commitments Made within Ltr,Listed
05000295/LER-1997-004, Forwards LER 97-004-01,which Clarifies Info on Event Description,Root Cause & Safety Analysis.Cas Have Been Updated.No Commitments Have Been Made	Zion	20 March 1998	Forwards LER 97-004-01,which Clarifies Info on Event Description,Root Cause & Safety Analysis.Cas Have Been Updated.No Commitments Have Been Made
05000461/LER-1997-035, Forwards LER 97-035-01,re Divisions 1 & 2 Battery Chargers Incapable of Supplying Full Rated Voltage & Current Flow at Degraded Voltage Trip Setpoint IAW Plant TS & Design Basis.Commitments Made within Ltr,Listed	Clinton	19 March 1998	Forwards LER 97-035-01,re Divisions 1 & 2 Battery Chargers Incapable of Supplying Full Rated Voltage & Current Flow at Degraded Voltage Trip Setpoint IAW Plant TS & Design Basis.Commitments Made within Ltr,Listed
05000295/LER-1997-015, Forwards LER 97-015-01,per 10CFR50.73(a)(2)(iv),which Requires Written Rept When Any Event Occurs That Resulted in Manual or Automatic Actuation of Any Esg.No Commitments Were Made within Rept	Zion	4 March 1998	Forwards LER 97-015-01,per 10CFR50.73(a)(2)(iv),which Requires Written Rept When Any Event Occurs That Resulted in Manual or Automatic Actuation of Any Esg.No Commitments Were Made within Rept
05000461/LER-1998-009, Forwards LER 98-009-00,re Failure to Adequately Account for Design Basis Sys Pressures & Voltages for EDG Air Start Sys. Commitments Made within Ltr,Listed	Clinton	4 March 1998	Forwards LER 98-009-00,re Failure to Adequately Account for Design Basis Sys Pressures & Voltages for EDG Air Start Sys. Commitments Made within Ltr,Listed
05000295/LER-1997-005, Forwards LER 97-005-01,which Requires Thirty Day Written Rept Following Any Operation Prohibited by Plants Tss. Attachment a Provides Commitments Associated with Correspondence	Zion	2 March 1998	Forwards LER 97-005-01,which Requires Thirty Day Written Rept Following Any Operation Prohibited by Plants Tss. Attachment a Provides Commitments Associated with Correspondence
05000295/LER-1997-011, Forwards LER 97-011-02,re Two Supplements Mistakenly Sent to Nrc.Questions or Comments Should Be Addressed to R Godley.Commitments Listed	Zion	2 March 1998	Forwards LER 97-011-02,re Two Supplements Mistakenly Sent to Nrc.Questions or Comments Should Be Addressed to R Godley.Commitments Listed
05000295/LER-1994-005, Forwards LER 94-005-01 Per 10CFR50.73(a)(2)(iv),which Requires 30 Day Written Rept When Any Event or Condition Resulted in Manual or Automatic Actuation of Any ESF, Including Rps.Commitments,Encl	Zion	16 January 1998	Forwards LER 94-005-01 Per 10CFR50.73(a)(2)(iv),which Requires 30 Day Written Rept When Any Event or Condition Resulted in Manual or Automatic Actuation of Any ESF, Including Rps.Commitments,Encl
05000461/LER-1997-033, Forwards LER 97-033-00 Re Misinterpretation of Tech Specs Bases Results in Failure to Meet Required Tech Specs for Two Inoperable ECC Subsystems.Ler Contains Listed Commitments	Clinton	16 January 1998	Forwards LER 97-033-00 Re Misinterpretation of Tech Specs Bases Results in Failure to Meet Required Tech Specs for Two Inoperable ECC Subsystems.Ler Contains Listed Commitments
05000295/LER-1997-026, Forwards LER 97-026-00,per 10CFR50.73(a)(2)(i)(B) Which Requires 30-day Written Rept.Commitments Associated W/Correspondence,Encl	Zion	8 January 1998	Forwards LER 97-026-00,per 10CFR50.73(a)(2)(i)(B) Which Requires 30-day Written Rept.Commitments Associated W/Correspondence,Encl
05000304/LER-1997-008, Forwards LER 97-008-00 Per 10CFR50.73(a)(2)(i)(B),which Requires 30 Day Written Rept.Attachment a Provides Commitments Associated W/Correspondence	Zion	22 December 1997	Forwards LER 97-008-00 Per 10CFR50.73(a)(2)(i)(B),which Requires 30 Day Written Rept.Attachment a Provides Commitments Associated W/Correspondence
05000295/LER-1997-025, Forwards LER 97-025-00,re Event Which Occurred at Zion Nuclear Power Station.Commitments Made within Ltr Aslo Encl	Zion	19 December 1997	Forwards LER 97-025-00,re Event Which Occurred at Zion Nuclear Power Station.Commitments Made within Ltr Aslo Encl
05000461/LER-1997-023, Forwards LER 97-023-00,re Inadequate Work Instruction Which Led to Potential Overgreasing of Motor Bearings Causing Potential Failure of Various Motors.Commitments Made within Ltr,Listed	Clinton	5 December 1997	Forwards LER 97-023-00,re Inadequate Work Instruction Which Led to Potential Overgreasing of Motor Bearings Causing Potential Failure of Various Motors.Commitments Made within Ltr,Listed
05000461/LER-1997-027, Forwards LER 97-027-00 Re Misinterpretation of 10CFR50.59 Which Resulted in Installation of Mod of RHR That Is Outside Design Basis,Per 10CFR50.73.Commitment Made within Ltr, Listed	Clinton	4 December 1997	Forwards LER 97-027-00 Re Misinterpretation of 10CFR50.59 Which Resulted in Installation of Mod of RHR That Is Outside Design Basis,Per 10CFR50.73.Commitment Made within Ltr, Listed
05000304/LER-1997-007, Forwards LER 97-007-00 Per 10CFR50.73(a)(2)(v)(B) Which Requires Written Rept for Any Event or Condition That Could Prevent Fulfillment of Safety Function of Structures or Sys Needed to Remove Residual Heat.W/Commitments Attach	Zion	1 December 1997	Forwards LER 97-007-00 Per 10CFR50.73(a)(2)(v)(B) Which Requires Written Rept for Any Event or Condition That Could Prevent Fulfillment of Safety Function of Structures or Sys Needed to Remove Residual Heat.W/Commitments Attached
05000304/LER-1997-005, Forwards LER 97-005-00 Which Documents Event That Occurred at Zion Nuclear Power Station,Unit 2.Commitment Made within Ltr,Encl	Zion	21 November 1997	Forwards LER 97-005-00 Which Documents Event That Occurred at Zion Nuclear Power Station,Unit 2.Commitment Made within Ltr,Encl
05000295/LER-1997-022, Forwards LER 97-022-00 Which Documents Event That Occurred at Zion Nuclear Power Station,Unit 1.Commitments Made within Ltr,Encl	Zion	21 November 1997	Forwards LER 97-022-00 Which Documents Event That Occurred at Zion Nuclear Power Station,Unit 1.Commitments Made within Ltr,Encl
05000304/LER-1997-004, Forwards LER 97-004-00,per 10CFR50.73(a)(2)(i).Commitments Associated W/Correspondence,Encl	Zion	14 November 1997	Forwards LER 97-004-00,per 10CFR50.73(a)(2)(i).Commitments Associated W/Correspondence,Encl
05000295/LER-1997-001, Forwards LER 97-001-01,which Clarifies Info on Root Cause,Safety Analysis & Event Description.Corrective Actions Updated to Show Status of Items	Zion	14 November 1997	Forwards LER 97-001-01,which Clarifies Info on Root Cause,Safety Analysis & Event Description.Corrective Actions Updated to Show Status of Items
05000304/LER-1997-003, Forwards LER 97-003-00 Re Unit 2 RHR Sys Declared Inoperable,Per 10CFR50.73(a)(2)(v)(B)	Zion	13 November 1997	Forwards LER 97-003-00 Re Unit 2 RHR Sys Declared Inoperable,Per 10CFR50.73(a)(2)(v)(B)
05000304/LER-1997-002, Forwards LER 97-002-00,per 10CFR50.73(a)(2)(v)(B),which Requires 30 Day Written Rept.Commitments Associated W/Correspondence,Encl	Zion	11 November 1997	Forwards LER 97-002-00,per 10CFR50.73(a)(2)(v)(B),which Requires 30 Day Written Rept.Commitments Associated W/Correspondence,Encl
05000304/LER-1997-001, Forwards LER 97-001-00 Per 10CFR50.73(a)(2)(iv) Which Requires Written Rept Using NRC Form 366, License Event Rept, within 90 Days of Discovery of Event.Attachment a Contains Commitments Associated W/Ltr	Zion	1 October 1997	Forwards LER 97-001-00 Per 10CFR50.73(a)(2)(iv) Which Requires Written Rept Using NRC Form 366, License Event Rept, within 90 Days of Discovery of Event.Attachment a Contains Commitments Associated W/Ltr
05000461/LER-1996-014, Forwards LER 96-014-01,containing Cause for Event & Corrective Actions to Prevent Recurrence Re Inadequately Tested Auxiliary Bldg Roof Plug.Commitments,Listed	Clinton	1 October 1997	Forwards LER 96-014-01,containing Cause for Event & Corrective Actions to Prevent Recurrence Re Inadequately Tested Auxiliary Bldg Roof Plug.Commitments,Listed
05000461/LER-1997-022, Forwards LER 97-022-00 Re Design of DG Ventilation Subsystems Being Outside of Design Basis.Ler Also Contains 10CFR21 Rept.Commitments Made by Util,Listed	Clinton	22 September 1997	Forwards LER 97-022-00 Re Design of DG Ventilation Subsystems Being Outside of Design Basis.Ler Also Contains 10CFR21 Rept.Commitments Made by Util,Listed
05000461/LER-1997-018, Forwards LER 97-018-00 Re Inadequate Preventive Maint Which Led to Possible Failure of W Dhp Circuit Breakers to Open on Demand.Commitments,Listed	Clinton	19 September 1997	Forwards LER 97-018-00 Re Inadequate Preventive Maint Which Led to Possible Failure of W Dhp Circuit Breakers to Open on Demand.Commitments,Listed
05000295/LER-1997-019, Forwards LER 97-019-00 Re Failure to Test Safety Related Logic Circuits Required by Tech Specs.Attachment a Provides Commitments Associated W/Correspondence	Zion	18 September 1997	Forwards LER 97-019-00 Re Failure to Test Safety Related Logic Circuits Required by Tech Specs.Attachment a Provides Commitments Associated W/Correspondence
05000304/LER-1996-004, Forwards LER 96-004-01 Re Results of Investigation Into Failure of Unit Containment Inner Air Lock Door.Addl Corrective Action Listed in Attachment a	Zion	5 September 1997	Forwards LER 96-004-01 Re Results of Investigation Into Failure of Unit Containment Inner Air Lock Door.Addl Corrective Action Listed in Attachment a
05000461/LER-1997-021, Forwards LER 97-021-00 & 10CFR21 Rept 21-97-040,re Control Circuit for Division 1 EDG Feed Breaker Which Did Not Meet Basis Due to Design Error	Clinton	25 August 1997	Forwards LER 97-021-00 & 10CFR21 Rept 21-97-040,re Control Circuit for Division 1 EDG Feed Breaker Which Did Not Meet Basis Due to Design Error
05000461/LER-1997-020, Forwards LER 97-020-00 Re Failure to Document Effect of Degraded Coatings in Containment on Eccs.Commitments Made by Util,Listed	Clinton	13 August 1997	Forwards LER 97-020-00 Re Failure to Document Effect of Degraded Coatings in Containment on Eccs.Commitments Made by Util,Listed
05000461/LER-1997-017, Forwards LER 97-017-00 Re Failure to Properly Calibrate MSL Radiation Monitors.List of Commitments Provided	Clinton	7 August 1997	Forwards LER 97-017-00 Re Failure to Properly Calibrate MSL Radiation Monitors.List of Commitments Provided
05000295/LER-1997-012, Forwards LER 97-012-00,which Documents 970423 Event That Occurred at Zion Generating Station.Commitments Made by Util,Listed	Zion	23 May 1997	Forwards LER 97-012-00,which Documents 970423 Event That Occurred at Zion Generating Station.Commitments Made by Util,Listed
05000295/LER-1997-009, Forwards LER 97-009-00 IAW 10CFR50.73(A)(2)(i)(B) Which Requires Listed Corrective Actions	Zion	14 May 1997	Forwards LER 97-009-00 IAW 10CFR50.73(A)(2)(i)(B) Which Requires Listed Corrective Actions
05000295/LER-1997-010, Forwards LER 97-010-00 IAW 10CFR50.73(a)(2)(i)(B).Corrective Actions Listed	Zion	5 May 1997	Forwards LER 97-010-00 IAW 10CFR50.73(a)(2)(i)(B).Corrective Actions Listed
05000295/LER-1997-008, Forwards LER 97-008-00 Which Repts Condition That Resulted in Condition of Npp.Listed Commitments Included in Rept	Zion	21 April 1997	Forwards LER 97-008-00 Which Repts Condition That Resulted in Condition of Npp.Listed Commitments Included in Rept
05000295/LER-1997-007, Forwards LER 97-007-00 Re Automatic Actuation of Esf. Submitted Table Identifies Actions Committed to by Util	Zion	10 April 1997	Forwards LER 97-007-00 Re Automatic Actuation of Esf. Submitted Table Identifies Actions Committed to by Util
05000461/LER-1996-016, Forwards LER 96-016-01:re Residual Water Covering Portion of Disc/Seat Area During Testing Due to Design Not Allowing Complete Draining Results in Invalid Local Leak Rate Testing of Feedwater Containment Isolation	Clinton	27 March 1997	Forwards LER 96-016-01:re Residual Water Covering Portion of Disc/Seat Area During Testing Due to Design Not Allowing Complete Draining Results in Invalid Local Leak Rate Testing of Feedwater Containment Isolation
05000295/LER-1997-002, Forwards LER 97-002-00.Commitments Made by Util Listed	Zion	18 February 1997	Forwards LER 97-002-00.Commitments Made by Util Listed
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