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| Issue date | Title | Topic | |
|---|---|---|---|
| ML19224D786 | 25 June 1979 | Final RO Rept Re Failure of Experiment Scram Circuit to Function During Surveillance Testing Due to Malfunction of Reset Switch.Caused by Dust on Moving Parts.Switch Cleaned & Immediately Functioned | |
| ML19246A994 | 30 June 1979 | SAR for License R-83 | |
| ML19254D950 | 30 June 1979 | Annual Operating Rept 1978 | |
| ML19256B436 | 31 August 1978 | Annual Financial Rept of Tx Engineering Experiment Station for Year Ending 780831 | |
| ML19318A590 | 23 May 1980 | Ro:On 800513,secondary Cooling Tower Fan Discovered to Have Disintegrated Causing Damage to Cooling Tower & Resulting in Loss of Secondary Cooling Capacity.Caused by Failure of Fan Transmission Mounting.Temporary Fan Assembly Installed | |
| ML19323F140 | 13 May 1980 | Ro:On 800513,discovered Secondary Cooling Tower Fan Disintegrated Causing Damage to Tower & Loss of Secondary Cooling Capacity.No Cause Given.Reactor to Be Operated on Reduced Schedule Until Repairs Made | |
| ML19330A807 | 30 June 1980 | Sixteenth Progress Rept of Tx A&M Univ,Nuclear Science Ctr, 1979 | |
| ML19331D610 | 28 August 1980 | Revised App III to Sixteenth Progress Rept of Tx A&M Univ Nuclear Science Ctr, 1979 Consisting of Summaries of Health Physics Support,Effuent Releases,Environ Survey Program,Radiation & Contamination Control Program | |
| ML19352B165 | 8 May 1981 | Ro:On 810507,while Conducting Check of Reactor Operator License & Requalification Status,Found That License SOP-3478 Held by Gw Waldrop Had Expired on 810427.Caused by Defect in Administrative Procedures.Procedures Have Been Corrected | |
| ML19352B210 | 24 April 1981 | Ro:On 810409 & 14,during Reactor Prestartup Checks,Interlock Used to Prevent Withdrawal of Shim Safety Control Rods Found Not Functioning.Caused by Threshold Change Due to Change in Solid State Switching Device.Capacitor Installed | |
| ML20009E417 | 15 May 1981 | Ro:On 810507,during Check of Reactor Operator Licenses & Status,Senior Operator License SOP-3478 Found Expired on 810427.Caused by Failure to Follow Administrative Procedures.Operator Relieved of Duties | |
| ML20012E066 | 9 March 1990 | RO 90-01:on 900228,reactor Operator Received Servo Fault Alarm.After Directed Shutdown,Complete Loss of Linear Power Channel Noted.Caused by Corroded Connector at Detector Leads.Connector Replaced.Part 21 Related | |
| ML20024E125 | 30 April 1983 | Nineteenth Progress Rept of Texas A&M Univ Nuclear Science Ctr for 1982. W/830516 Ltr | |
| ML20028E641 | 6 January 1983 | Ro:On 830105,discovered Damaged Fuel Element 7463 During Insp.Element Failed Go/No Go Test.Complete Core Unloading & Fuel Insp Will Be Completed on 830106 & 07 | |
| ML20028E691 | 11 January 1983 | Telecopy Ro:On 830110,during Reactor Startup,Fuel Temp Not Tracking Although Normal Temp Indication Displayed.Reactor Shut Down.Caused by Failed Fuel Thermocouple.Reactor Switched to Second Thermocouple | |
| ML20041D910 | 31 December 1981 | Interpretation of Damage to Flip Fuel During Operation of Nuclear Science Ctr Reactor at Tx A&M Univ. | |
| ML20043F439 | 4 June 1990 | Revised Page 1 to Reactor Operator & Senior Reactor Operator Requalification Program,Rev Iii.Item 2.1.6 Changed to Include Physical Security Plan | |
| ML20050B353 | 12 February 1982 | Ro:On 820205,during Initial Startup,Linear Power Channel Did Not Respond.Rod Withdrawal Terminated.Caused by Detector High Detector High Voltages Switch in Off Position.Training Session Implemented on Monitoring of Instrumentation | |
| ML20052A504 | 30 March 1982 | Suppl 1 to 1979 Sar. | |
| ML20052A506 | 29 February 1980 | U-2rHx Alloy:Properties & Use in Triga Fuel. | Fuel cladding |
| ML20052B667 | 12 April 1982 | Ro:Final Rept Re Possible Loss of self-protection of SNM Ctr.Fuel Bundle May Not Have Decayed Below self-protection Limit as Discrepancies Existed in Readings.Survey Program Improved & Underwater Fuel Surveys Studied | |
| ML20058C351 | 31 July 1982 | Eighteenth Progress Rept of Tx A&M Univ Nuclear Science Ctr,1981 | |
| ML20059G030 | 26 October 1993 | Safety Evaluation Supporting Amend 13 to License R-83 | High Radiation Area |
| ML20063H030 | 22 July 1982 | Telecopy Message of Ro:On 820722,during Initial & Secondary Reactor Startup,Log Power Channel Rate Meter Failed to Respond.Cleaning of Switch Contacts Returned Instrument to Normal Operation | |
| ML20063H073 | 22 July 1982 | Ro:On 820722,during Initial Startup,Log Power Channel Rate Meter Failed to Respond.Cause Not Stated.Switch Contacts & Amplifier Boards Cleaned.Close Visual Insps Implemented | |
| ML20066A249 | 29 September 1982 | Telecopy Ro:On 820928,erratic Readings Noted on Fuel Temp Indicator.Reactor Shut Down Immediately.On 820929,different If Connected to Fuel Temp Channel & Thermocouple Readings Recorded at 300 Watts & 1 MW | |
| ML20066A573 | 5 October 1982 | Ro:On 820928,during Operation,Fuel Temp Thermocouple Failed. New Instrumented Fuel Element Installed.Thermocouple Readings Normal | |
| ML20066H140 | 8 February 1991 | Special Rept 90-01:on 910125,during Annual Fuel Insp of Operational Core VIII-A,fuel Elements 6502 & 8468 Failed to Pass go-no-go Gauge Test for Excessive Transverse Bend. Elements Replaced W/Spare & Fuel Bundles Relocated | |
| ML20067C972 | 29 October 1982 | Ro:On 821019,power Level Indication Dropped Approx 15% on Both Safety Channels.On 821027,electromagnet Current for Shim Safety 2 Went to Zero.Causes Not Stated.Electromagnet Coil Replaced | |
| ML20069H427 | 31 December 1993 | Thirtieth Annual Progress Rept of Nuclear Science Ctr Tx Engineering Experiment Station Tx A&M Univ Sys College Station,Tx | Shutdown Margin |
| ML20070M810 | 11 January 1983 | Ro:On 830105,during Fuel Element Insp,Elements 7463 & 7486 Failed Go/No Go Test.Both Elements Had Been in Core Since 1973 & Not Inspected Since That Time.Both Elements Removed from Core | Time of Discovery |
| ML20070N647 | 11 January 1983 | Ro:On 830110,fuel Temp Indication Failed to Respond During Reactor Startup.Caused by Shorted Thermocouple Wires in Terminal Box.Reactor Shut Down & Fuel Temp Instrument Connected to More Conservative Indication | |
| ML20070R935 | 31 December 1990 | Twenty-Seventh Progress Rept of Texas A&M Univ Nuclear Science Ctr Jan-Dec 1990 | Shutdown Margin High Radiation Area |
| ML20070U020 | 31 December 1990 | Twenty-Sixth Progress Rept of Texas A&M Univ Nuclear Science Ctr,1990 | Shutdown Margin |
| ML20071H917 | 30 April 1983 | Nineteenth Progress Rept of Tx A&M Univ Nuclear Science Ctr 1982 | Shutdown Margin |
| ML20072A823 | 22 December 1982 | Ro:On 821204,power Calorimetric Performed to Determine Agreement Between Indicated Power & Calculated Actual Power Based on Pool Heatup Rate.Results Showed Minus 30.7% Error. on 821206,calorimetric Showed Plus 56.6% Error | |
| ML20076F028 | 30 April 1983 | Nineteenth Progress Rept of Texas A&M Univ Nuclear Ctr, 1982 | Shutdown Margin |
| ML20078P011 | 28 October 1983 | Ro:On 831004,high Power Scram Received During Initial Reactor Startup While Banking Shim Safety Control Rods After Reaching 1 MW Power.Caused by Operator Manipulation of Control Rods.Procedures & Proper Documentation Emphasized | |
| ML20079C248 | 10 June 1991 | Ro:On 910607,reactor Operated for 30 Minutes at 1 MW W/O Facility Air Monitors in Operation.Operator Removed from Watch Standing Duties.Final Rept Will Be Forwarded Upon Completion | |
| ML20082D552 | 31 December 1994 | Thirty-First Annual Progress Rept of Tx A&M Univ Nuclear Science Ctr, for Period of 940101-1231 | Shutdown Margin |
| ML20084H617 | 2 April 1984 | Ro:On 840319,discovered That Performance of Weekly Electronic Maint Checks Not Performed During Previous Wk of Operation.Caused by Inadequate Procedural Controls | |
| ML20087N338 | 31 December 1983 | Twentieth Progress Rept of Texas A&M Univ,Nuclear Science Ctr,1983 | Time of Discovery Shutdown Margin |
| ML20090D784 | 26 June 1984 | Telecopy Ro:On 840626,fuel Elements Temp Recorder Failed to Respond Following Temporary Reduction in Reactor Power.Cause Not Stated | |
| ML20090E124 | 15 June 1984 | RO 84-3:on 840604,reactor Operator Observed That Safety Power Measuring Channel 2 Not Responding as Reactor Power Level Increased Beyond 30 Kw.Caused by Loose Safety Channel 2 Signal Cable.Connector Replaced | |
| ML20090E125 | 2 July 1984 | RO-84-4:on 840626,reactor Operator Noted That Fuel Element Temp Recorder Did Not Correspond to Digital Indication as Shown on Doric Temp Readout.Cause Not Stated.Failure Spurious & Could Not Be Reproduced | |
| ML20090E514 | 11 June 1984 | RO 84-2:on 840528,erratic Performance of Reactor Servo Control Not Noted in Log.Caused by Personnel Error.Operator Cautioned to Be More Observant While Taking Log Readings | |
| ML20092N921 | 29 May 1984 | Ro:On 840528,operator Received Servo Fault Alarm & Linear Power Channel Indication Failed Low.Caused by High Voltage Supply for Linear Defector de-energized | |
| ML20094N543 | 31 December 1991 | Nuclear Science Center 28th Annual Rept,CY91 | Shutdown Margin |
| ML20100C965 | 31 December 1984 | Twenty-First Progress Rept of Texas A&M Univ Nuclear Science Ctr,1984 | Shutdown Margin |
| ML20113D568 | 21 January 1985 | RO 85-2;on 850111,safety Channel 1 Detector Failed During Reactor Operation.Caused by Loose Connector Pin Making Intermittent Contact.New Connector Installed & Detector Verified Operable Prior to Reinstallation |