AECM-83-0340, RO 83-043/0:on 830503,smoke Detector N524E,in Zone 1-24 (Control Cabinet Room),Alarmed Continuously After Being Bumped by Maint Worker.Fire Detection Zone Declared Inoperable.Fire Watch Established.No Cause Found
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| ML20072F867 | |
| Person / Time | |
|---|---|
| Site: | Grand Gulf  |
| Issue date: | 06/15/1983 |
| From: | Mcgaughy J MISSISSIPPI POWER & LIGHT CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| AECM-83-0340, AECM-83-340, RO-83-043-0, RO-83-43, NUDOCS 8306280188 | |
| Download: ML20072F867 (1) | |
Similar Documents at Grand Gulf | |
|---|---|
Category:REPORTABLE OCCURRENCE REPORT (SEE ALSO AO LER)
MONTHYEARML20209J1961999-07-12012 July 1999
[Table view]Special Rept 99-001:on 990528,smoke Detectors Failed to Alarm During Performance of Routine Channel Functional Testing.Applicable TRM Interim Compensatory Measure of Establishing Roving Hourly Fire Patrol Was Implemented ML20203B5581997-12-0404 December 1997 Special Rept 97-003:on 971111,valid Failure of Div 2 EDG Occurred,Due to Jacket Water Leak.Failure Reported,Per Plant Technical Requirements Manual Section 7.7.2.2 ML20211P2311997-10-16016 October 1997 Special Rept 97-02:on 970916,during Routine Monthly Surveillance Run,Jacket Water Leak Developed at Dresser Coupling Joint.Jacket Water Leak Repaired & EDG Sucessfully Retested & Returned to Operable Status ML20217Q6961997-08-26026 August 1997 Special Rept 97-001:on 970730,valid Failure of Div 1 EDG Occurred Due to Jacket Water Leak.Faulty Lube Oil Temp Switch Was Replaced & Jacket Water Leak Was Repaired ML20134N0601996-11-15015 November 1996 Special Rept 96-003:on 961016,smoke Detector in Zone 1-3 of Hot Machine Shop/Turbine Bldg Covered to Allow for Welding & Grinding in Area.Hourly Firewatch Established to Patrol & Inspect Affected Portion of Zone ML20134L9061996-11-11011 November 1996 Special Rept 96-002:on 961010,valid Failure of Div 2 EDG Occurred.Caused by Loose Barring Device Pivot Bolt.Bolt Tightened & Staked & Root Cause Evaluation Is Being Conducted ML20101N0681996-04-0101 April 1996 Special rept:96/001 on 960229,EDG Failed.Cause by Failed Shuttle Valve.C/A:Valve Replaced ML20095K3961995-12-21021 December 1995 Special Rept:On 951127,valid Failure of Div 1 EDG Occurred. Exact Sequence of Events Could Not Be Determined.Insps Done W/No Abnormalities Discovered ML20095H2521995-12-15015 December 1995 Special Rept:On 951117,invalid Failure of Div 13 HPCS EDG Occurred.Caused by Faulty Sync Check Relay in Paralleling Circuit.Sync Check Relay Repaired ML20087F9331995-08-11011 August 1995 Special Rept 95-003:on 950728,acccident Range Monitor Exceeds TRM Allowed Down Time.Interface Box Replaced,Calibr Restarted & Tested Satisfactory ML20086E1391995-06-30030 June 1995 RO 95-002:on 950605,invalid Failure of Division 13,HPCS EDG Occurred.Surveillance Procedures Used for ECCS Testing Will Be Evaluated to Provide Alternate Method for Initiating Trip Signals,Thereby Eliminating Need for Finger Relays ML20081K1701995-03-23023 March 1995 Special Rept:On 950307,wind Speed & Direction for Channels a & B Disabled.Caused by Lightning Striking Meteorological Monitoring Tower.Lco 95-0254 Written to Document Event ML20078S3461994-12-14014 December 1994 Special Rept:On 941117,EDG 12 Was Started for Maint Run Following Maint Outage & Run Was Successfully Completed ML20065S3001994-05-11011 May 1994 Special Rept 94-004:on 940411,during Monthly Functional Test,Invalid Failure of EDG 13 Occurred Due to Personnel Error.Troubleshooting Run Performed & EDG Subsequently Tested Satisfactorily ML20065L0441994-04-13013 April 1994 Special Rept 94-003:on 940327,lightning Strike Occurred on Meteorological Monitoring Tower,Rendering Meteorological Monitoring Instrumentation Channels Inoperable for More than Seven Days.Available Sensors Replaced as of 940412 ML20064J0511994-03-14014 March 1994 Special Rept on 940228,wind Direction Indicator Located at Meterological Facility Did Not Change in Response to Wind Changes.Wind Direction Sensor Replaced & Readings Verified W/B Indicator ML20063H6731994-02-14014 February 1994 Special Rept 94-001:on 940113,Div 2 Sdg 12 Experienced Invalid Failure During Surveillance Due to False High Jacket Water Temp Signal Generated by Faulty Jacket Water Temp Switch.Switch Replaced & Tested ML20058D2481993-11-23023 November 1993 Special Rept 93-005:on 931019,during Insp of Low Pressure Turbine Rotor C,Several Recordable Indications Identified. Caused by Stress Corrosion Cracking.Existing Condition Acceptable W/O Restriction for Continued Operations ML20058C9391993-11-16016 November 1993 Special Rept 93-006:on 931109,area Radiation Monitors Were Inoperable Due to Performance of Plant Surveillance Containment/Drywell High Range Area Radiation Monitor Calibr.Arm Returned to Operable Status ML20059G7581993-11-0202 November 1993 Special Rept:On 930926,TS Violation Occurred Due to SSW Pump House Strong Motion Accelerometer Recorder Calibration Failure.Ordered New Replacement Parts ML20057B2621993-09-13013 September 1993 Special Rept 93-003:on 930812,invalid Failure of EDG 12 Occurred Due to Leaking Jacket Water Coupling.Coupling Gaskets Replaced & Coupling Satisfactorily Checked for Leaks ML20116L6851992-11-13013 November 1992 Special Rept 92-008:on 921014,emergency Diesel Generator 11 Failed Due to Water in Cylinder.Caused by Crack in Cylinder Head.Head Replaced & EDG 11 Retested ML20116K7841992-11-11011 November 1992 Special Rept 92-007:on 921013,EDG 11 Started But Start Signal Indicating Light Did Not Illuminate & Local Operator Unable to Verify EDG Acceleration.Possibly Caused by Blown Bulb.Edg 11 Functional Test Successfully Performed ML20115E1931992-10-15015 October 1992 Special Rept 92-006:on 920915,EDG 11 Tripped While Preparing to Perform Function Test of EDG 11 Per Surveillance Procedure 06-OP-1P75-M-0001.Caused by Leaking Reset Air Tubing Connection.Technicians Trained ML20105C8591992-09-15015 September 1992 Special Rept 92-005:on 920818,emergency Diesel Generator 11 Tripped Due to High Vibration Signal During Maint Run. Instructions Will Be Issued to Perform Simulated Diesel Run as post-maint Partial Check of Pneumatic Computer ML20099A9861992-07-23023 July 1992 Special Rept 92-004:on 920623,SDG 11 Tripped Due to High Vibration Signal.Caused by Loose Screw Due to Inadequate Procedure.Maint Procedure Governing Calibr of Vibration Sensors Will Be Revised ML20101H7251992-06-26026 June 1992 Special Rept 92-003-00:on 920525,Div 1 Standby DG 11 Experienced Nonvalid Failure.Caused by Excessive Contact Resistance.Comprehensive Loading Increased on One of Six Sets of Contacts in Svc & Selector Switch Bypassed ML20098D1641992-05-15015 May 1992 Special Rept 92-002:on 920505,containment & Drywell Accident Range Area Radiation Monitors Removed from Svc for More than 72 H.Preplanned Alternate Method of Monitoring Area Radiation Monitors Established to Work Area ML20090A3911992-02-27027 February 1992 Special Rept 92-001:on 920128,diesel Generator 11 Output Breaker Would Not Close During Monthly Functional Surveillance,Preventing Generator from Being Loaded to Grid. Power Converter Assembly for Tachometer Replaced ML20082B6671991-07-0909 July 1991 Special Rept 91-005:on 910618,invalid Failure of Emergency Diesel Generator 11 Occurred.Caused by Loose Terminal Connection in Paralleling Circuitry at Generator Breaker. Connection Tightened & Generator Tested Sastisfactorily ML20079C3301991-06-12012 June 1991 Special Rept:On 910513,emergency Diesel Generator II Failed During Monthly Standby Diesel Generator Functional Test. While Reaching Max Load,Oscillations Observed in Dc Field Volt,Dc Field Amps & Ac Amps ML20072U5611991-04-12012 April 1991 Special Rept 89-001-01:on 890201,output Breaker for DG 12 Failed to Close While Attempting to Parallel Generator W/ Energized Bus.Caused by Malfunction of Tachometer Transmitter.Upgraded Transmitters Installed ML20070D3461991-02-25025 February 1991 Special Rept 91-003:on 910127,smoke Detectors Found Covered W/Plastic Bags in Panel 1H13P733,rendering Detectors Inoperable.Plastic Bags Removed & Surveillance Resumed ML20065U4321990-12-27027 December 1990 Special Rept 90-003-00:on 901127,diesel Generator Declared Inoperable During Performance of Monthly Functional Surveillance in Accordance W/Tech Spec 4.8.1.1.2.Monitoring of Diesel Generator Performed to Provide Corrective Actions AECM-90-0138, Special Rept:On 900627,fire Detection Instrumentation Declared Inoperable & Firewatch Established as Required by Tech Spec 3.3.7.9.Detectors Restored to Svc1990-07-31031 July 1990 Special Rept:On 900627,fire Detection Instrumentation Declared Inoperable & Firewatch Established as Required by Tech Spec 3.3.7.9.Detectors Restored to Svc AECM-89-0168, Special Rept 89-007/0:on 890804,diesel Generator 13 Failed to Properly Load During Monthly Functional Surveillance. Caused by Failure of Motor Operator Potentiometer in Governor Control Circuit.Potentiometer Replaced1989-08-31031 August 1989 Special Rept 89-007/0:on 890804,diesel Generator 13 Failed to Properly Load During Monthly Functional Surveillance. Caused by Failure of Motor Operator Potentiometer in Governor Control Circuit.Potentiometer Replaced AECM-89-0127, Special Rept 89-006/0:on 890603,smoke Detector NSP65N627H in Fire Zone 2-04 of Auxiliary Bldg Continuously Alarmed & Failed to Reset.Caused by Steam Leakage in RWCU Sys Recirculation Pump B Room.Leakage Repaired1989-06-29029 June 1989 Special Rept 89-006/0:on 890603,smoke Detector NSP65N627H in Fire Zone 2-04 of Auxiliary Bldg Continuously Alarmed & Failed to Reset.Caused by Steam Leakage in RWCU Sys Recirculation Pump B Room.Leakage Repaired AECM-89-0118, Special Rept 89-005/0:on 890606,meteorological Monitoring Instrumentation Channels a & B Removed from Svc for Planned Maint Due to Environ Degrading of Equipment.Terminal Boxes & Cabling Replaced & Instrumentation Returned to Svc1989-06-21021 June 1989 Special Rept 89-005/0:on 890606,meteorological Monitoring Instrumentation Channels a & B Removed from Svc for Planned Maint Due to Environ Degrading of Equipment.Terminal Boxes & Cabling Replaced & Instrumentation Returned to Svc AECM-89-0104, Special Rept 88-007/1:on 881214,field Amps,Line Amps & Generator MVARs Began Oscillating During Diesel Generator 11 Surveillance.Caused by Number 1 Rectifier Bridge Circuit. Diesel Generator Restarted,Loaded & Surveillance Completed1989-05-31031 May 1989 Special Rept 88-007/1:on 881214,field Amps,Line Amps & Generator MVARs Began Oscillating During Diesel Generator 11 Surveillance.Caused by Number 1 Rectifier Bridge Circuit. Diesel Generator Restarted,Loaded & Surveillance Completed AECM-89-104, Special Rept 88-007/1:on 881214,field Amps,Line Amps & Generator MVARs Began Oscillating During Diesel Generator 11 Surveillance.Caused by Number 1 Rectifier Bridge Circuit. Diesel Generator Restarted,Loaded & Surveillance Completed1989-05-31031 May 1989 Special Rept 88-007/1:on 881214,field Amps,Line Amps & Generator MVARs Began Oscillating During Diesel Generator 11 Surveillance.Caused by Number 1 Rectifier Bridge Circuit. Diesel Generator Restarted,Loaded & Surveillance Completed AECM-89-0091, Special Rept 89-004/0:on 890405,smoke Detector in Fire Zone 1-03 of Control Bldg Spuriously Alarmed.Smoke Detector Alarm Declared Inoperable.Cause Not Determined.Detector Cleaned, Retested & Returned to Svc on 8904281989-05-0505 May 1989 Special Rept 89-004/0:on 890405,smoke Detector in Fire Zone 1-03 of Control Bldg Spuriously Alarmed.Smoke Detector Alarm Declared Inoperable.Cause Not Determined.Detector Cleaned, Retested & Returned to Svc on 890428 AECM-89-0089, Special Rept 89-003/0:on 890404,fluctuations in Exciter Volts & Amps Observed in Diesel Generator During Monthly Surveillance.Caused by High Resistance Across Set of Normally Closed Contacts on Relay Resulting from Oxidation1989-05-0404 May 1989 Special Rept 89-003/0:on 890404,fluctuations in Exciter Volts & Amps Observed in Diesel Generator During Monthly Surveillance.Caused by High Resistance Across Set of Normally Closed Contacts on Relay Resulting from Oxidation AECM-89-0056, Special Rept 89-002:on 890225,turbine Bldg Ventilation Exhaust Accident Range Radiation Monitor Removed from Svc. Channels 3 & 4 Failed & Channel 4 Remained in Check Source. Monitor Retested Satisfactorily & Restored to Svc on 8903021989-03-0909 March 1989 Special Rept 89-002:on 890225,turbine Bldg Ventilation Exhaust Accident Range Radiation Monitor Removed from Svc. Channels 3 & 4 Failed & Channel 4 Remained in Check Source. Monitor Retested Satisfactorily & Restored to Svc on 890302 AECM-89-0048, Special Rept:On 890201,diesel Generator Failed to Load During Test.Caused by Malfunction of Tachometer Transmitter. Transmitter Replaced & Diesel Generator Functional Test Successfully Completed1989-03-0202 March 1989 Special Rept:On 890201,diesel Generator Failed to Load During Test.Caused by Malfunction of Tachometer Transmitter. Transmitter Replaced & Diesel Generator Functional Test Successfully Completed AECM-88-0205, Followup Ro:Re Incident Involving Stuck Peripheral Orifice Fuel Assembly During Second Refueling Outage.Stuck Bundle Successfully Removed W/O Complications.No Plans Exist to Reuse Formerly Stuck Assembly1988-11-15015 November 1988 Followup Ro:Re Incident Involving Stuck Peripheral Orifice Fuel Assembly During Second Refueling Outage.Stuck Bundle Successfully Removed W/O Complications.No Plans Exist to Reuse Formerly Stuck Assembly ML20205P3441988-11-0404 November 1988 Special Rept 88-004:on 881021,containment Ventilation Exhaust Accident Range Radiation Monitor Removed from Svc. Erratic Readings Observed During Surveillance.Caused by Damaged Cable Assembly.Channel 2 Tube Replaced AECM-88-0217, Corrected Special Rept 88-006:on 881021,inoperability of Accident Range Radiation Monitor Discovered.Caused by Damaged Cable Assembly.Cable Assembly Replaced1988-11-0404 November 1988 Corrected Special Rept 88-006:on 881021,inoperability of Accident Range Radiation Monitor Discovered.Caused by Damaged Cable Assembly.Cable Assembly Replaced AECM-88-217, Special Rept 88-004:on 881021,containment Ventilation Exhaust Accident Range Radiation Monitor Removed from Svc. Erratic Readings Observed During Surveillance.Caused by Damaged Cable Assembly.Channel 2 Tube Replaced1988-11-0404 November 1988 Special Rept 88-004:on 881021,containment Ventilation Exhaust Accident Range Radiation Monitor Removed from Svc. Erratic Readings Observed During Surveillance.Caused by Damaged Cable Assembly.Channel 2 Tube Replaced AECM-88-0181, Special Rept 88-005/0:on 880829,post-accident Monitoring Instrument for Standby Gas Treatment B Subsystem Exhaust Declared Inoperable & Left Inoperable for More than 72 H. Caused by Time Spent to Procure Replacement Part1988-09-12012 September 1988 Special Rept 88-005/0:on 880829,post-accident Monitoring Instrument for Standby Gas Treatment B Subsystem Exhaust Declared Inoperable & Left Inoperable for More than 72 H. Caused by Time Spent to Procure Replacement Part AECM-88-0156, Final Special Rept on Events Re Interaction of Activities Associated W/Units 2 & 1,including Control of Chlorine Stored in Unit 2 Controlled Area & Leakage of Const Water Sys in Control Bldg1988-08-0909 August 1988 Final Special Rept on Events Re Interaction of Activities Associated W/Units 2 & 1,including Control of Chlorine Stored in Unit 2 Controlled Area & Leakage of Const Water Sys in Control Bldg 1999-07-12 Category:TEXT-SAFETY REPORT MONTHYEARML20217F9921999-09-30030 September 1999
[Table view]Monthly Operating Rept for Sept 1999 for Grand Gulf Nuclear Station,Unit 1.With ML20212F5641999-09-23023 September 1999 SER Concluding That All of ampacity-related Concerns Have Been Resolved & Licensee Provided Adequate Technical Basis to Assure That All of Thermo-Lag Fire Barrier Encl Cables Operating within Acceptable Ampacity Limits ML20211Q3171999-09-0909 September 1999 Safety Evaluation Accepting BWROG Rept, Prediction of Onset of Fission Gas Release from Fuel in Generic BWR, Dtd July 1996 ML20216E4881999-08-31031 August 1999 Monthly Operating Rept for Aug 1999 for Grand Gulf Nuclear Station.With ML20211A6921999-07-31031 July 1999 Monthly Operating Rept for July 1999 for Grand Gulf Nuclear Station,Unit 1.With ML20209J1961999-07-12012 July 1999 Special Rept 99-001:on 990528,smoke Detectors Failed to Alarm During Performance of Routine Channel Functional Testing.Applicable TRM Interim Compensatory Measure of Establishing Roving Hourly Fire Patrol Was Implemented ML20196K4981999-07-0101 July 1999 Safety Evaluation Authorizing PRR-E12-01,PRR-E21-01, PRR-P75-01,PRR-P81-01,VRR-B21-01,VRR-B21-02,VRR-E38-01 & VRR-E51-01.Concludes That Alternatives Proposed by EOI Acceptable ML20209G0691999-06-30030 June 1999 Monthly Operating Rept for June 1999 for Grand Gulf Nuclear Station,Unit 1.With ML20196A1161999-05-31031 May 1999 Monthly Operating Rept for May 1999 for Grand Gulf Nuclear Station.With ML20206Q4831999-04-30030 April 1999 Monthly Operating Rept for Apr 1999 for Grand Gulf Nuclear Station Unit 1.With ML20206J1201999-04-30030 April 1999 Redacted ME-98-001-00, Pressure Locking & Thermal Binding Test Program on Two Gate Valves with Limitorque Actuators ML18016A9011999-04-12012 April 1999 Part 21 Rept Re Defect in Component of DSRV-16-4,Enterprise DG Sys.Caused by Potential Problem with Connecting Rod Assemblies Built Since 1986,that Have Been Converted to Use Prestressed Fasteners.Affected Rods Should Be Inspected ML20205P8771999-03-31031 March 1999 Monthly Operating Rept for Mar 1999 for Grand Gulf Nuclear Station,Unit 1.With ML20207M9231999-03-12012 March 1999 Amended Part 21 Rept Re Cooper-Bessemer Ksv EDG Power Piston Failure.Total of 198 or More Pistons Have Been Measured at Seven Different Sites.All Potentially Defective Pistons Have Been Removed from Svc Based on Encl Results ML20207K5141999-02-28028 February 1999 Monthly Operating Rept for Feb 1999 for Grand Gulf Nuclear Station,Unit 1.With ML20206T7991999-01-31031 January 1999 Iodine Revolatizitation in Grand Gulf Loca ML20207A8301998-12-31031 December 1998 1998 Annual Operating Rept for Ggns,Unit 1 ML20206R9501998-12-31031 December 1998 Monthly Operating Rept for Dec 1998 for Grand Gulf Nuclear Station,Unit 1.With ML20206D7721998-12-31031 December 1998 South Mississippi Electric Power Association 1998 Annual Rept ML20198E2481998-11-30030 November 1998 Monthly Operating Rept for Nov 1998 for Grand Gulf Nuclear Station,Unit 1.With ML20195F4121998-11-13013 November 1998 Rev 16 to GGNS-TOP-1A, Operational QA Manual (Oqam) ML20195C4841998-11-0606 November 1998 SER Accepting QA Program Change to Consolidate Four Existing QA Programs for Arkansas Nuclear One,Grand Gulf Nuclear Station,River Bend Station & Waterford 3 Steam Electric Station Into Single QA Program ML20195C2791998-11-0505 November 1998 BWR Feedwater Nozzle Inservice Insp Summary Rept for GGNS, NUREG-0619-00006 ML20195F4801998-10-31031 October 1998 Monthly Operating Rept for Oct 1998 for Grand Gulf Nuclear Station,Unit 1.With ML20155C1351998-10-26026 October 1998 Rev B to Entergy QA Program Manual ML20154K2391998-09-30030 September 1998 Monthly Operating Rept for Sept 1998 for Grand Gulf Nuclear Station Unit 1.With ML20155F1961998-09-0101 September 1998 Engineering Rept for Evaluation of BWR CR Drive Mounting Flange Cap Screw ML20153B2161998-08-31031 August 1998 Monthly Operating Rept for Aug 1998 for Grand Gulf Nuclear Station,Unit 1.With ML20237B6661998-07-31031 July 1998 Monthly Operating Rept for Jul 1998 for Grand Gulf Nuclear Station,Unit 1 ML20236R0231998-06-30030 June 1998 Monthly Operating Rept for June 1998 for Grand Gulf Nuclear Station,Unit 1 ML20155J0811998-05-31031 May 1998 10CFR50.59 SE for Period Jan 1997 - May 1998 ML20249B1251998-05-31031 May 1998 Monthly Operating Rept for May 1998 for Grand Gulf Nuclear Station,Unit 1 ML20248B6261998-05-11011 May 1998 Rev 6 to Grand Gulf Nuclear Station COLR Safety-Related ML20217Q6701998-05-0606 May 1998 SER Approving Proposed Postponement of Beginning Augmented Exam Requirements of 10CFR50.55a(g)(6)(ii)(A)(2) at Grand Gulf for Circumferential Shell Welds for Two Operating Cycles ML20206J1271998-04-30030 April 1998 Pressure Locking Thrust Evaluation Methodology for Flexible Wedge Gate Valves ML20247F3591998-04-30030 April 1998 Monthly Operating Rept for Apr 1998 for Grand Gulf Nuclear Plant,Unit 1 ML20217M8951998-04-30030 April 1998 QA Program Manual ML20217P8281998-04-0707 April 1998 Safety Evaluation Accepting Relief Authorization for Alternative to Requirements of ASME Section Xi,Subarticle IWA-5250 Bolting Exam for Plants,Per 10CFR50.55a(a)(3)(i) ML20217P0381998-04-0606 April 1998 Safety Evaluation Supporting Amend 135 to License NPF-29 ML20217A0291998-03-31031 March 1998 Monthly Operating Rept for Mar 1998 for Grand Gulf Nuclear Sation,Unit 1 ML20216J4211998-03-18018 March 1998 SER Approving Alternative to Insp of Reactor Pressure Vessel Circumferential Welds for Grand Gulf Nuclear Station ML20216J2021998-02-28028 February 1998 Monthly Operating Rept for Feb 1998 for Grand Gulf Nuclear Station,Unit 1 ML20203A2891998-01-31031 January 1998 Monthly Operating Rept for Jan 1998 for Grand Gulf Nuclear Station ML20247B4111997-12-31031 December 1997 1997 Annual Financial Rept for South Mississippi Electric Power Association ML20203H9741997-12-31031 December 1997 1997 Annual Operating Rept, for Ggns,Unit 1 ML20198P1121997-12-31031 December 1997 Monthly Operating Rept for Dec 1997 for Grand Gulf Nuclear Station,Unit 1 ML20203B5581997-12-0404 December 1997 Special Rept 97-003:on 971111,valid Failure of Div 2 EDG Occurred,Due to Jacket Water Leak.Failure Reported,Per Plant Technical Requirements Manual Section 7.7.2.2 ML20203K4031997-11-30030 November 1997 Monthly Operating Rept for Nov 1997 for Grand Gulf Nuclear Station,Unit 1 ML20199H3711997-11-19019 November 1997 SER Accepting Approving Request Relief from Requirements of Section XI, Rule for Inservice Insp of NPP Components, of ASME for Current or New 10-year Inservice Insp Interval IAW 50.55(a)(3)(i) of 10CFR50 ML20199F3431997-11-18018 November 1997 SER Accepting Rev 15 of Operational Quality Assurance Manual for Grand Gulf Nuclear Station,Unit 1 1999-09-09 |
Text
E MISSISSIPPI POWER & LIGHT COMPANY Helping Build Mississippi P. O. B OX 1640, J AC K S O N, MIS SIS SIP PI 3 9 2 0 5 June 15, 1983 m y
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Office of Inspection & Enforcement y j U. S. Nuclear Regulatory Commission ,Q Region II 3:s . .g~
101 Marietta St., N.W., Suite 2900 co ao Atlanta, Georgia 30303 1Z W 9u Attention: Mr. J. P. O'Reilly, Regional Administrator # "
Dear Mr. O'Reilly:
'f
SUBJECT:
Grand Gulf Nuclear Station Unit 1 Docket No. 50-416 License No. NPF-13 File 0260/L-835.0 Special Report 83-043/0 -
Smoke Detector N524E Alarmed and Would Not Reset AECM-83/0340 On May 3, 1983, smoke detector N524E, in Zone 1-24 (Control Cabinet Room), went into continuous alarm after being bumped by a maintenance worker.
The fire detection zone was declared inoperable pending a maintenance inspection. A fire watch was established in accordance with Technical Specification 3.3.7.9.
The maintenance inspection revealed no problems. The detector was reset and returned to operability on May 22, 1983. This is reported pursuant to Technical Specification 6.9.2 since the 14 day time limit of the action statement was exceeded.
Yours truly, 8306280188 830615 gDRADOCK05000 g 7,gy g
, g ornisap cc: Mr. J. B. Richard Mr. R. B. McGehee Mr. T. B. Conner Mr. G. B. Taylor Mr. Richard C. DeYoung, Director Office of Inspection & Fnforcement U. S. Nuclear Regulatory Commission nWitM{'hqd .
~
Washington, D. C. 20555 Document Control Desk U. S. Nuclear Regulatory Commission
[JL Washington, D.EenNbiddle South Utilities System
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