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Issue date | Title | Topic | |
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ML20012D965 | 22 March 1990 | RO 50-20/1990-1:on 900312,incorrect Calculation of Estimated Critical Position (ECP) Attained During Reactor Startup. Caused by Failure to Check Second Portion of ECP Calculation Performed by Individual in Training | |
ML19345B994 | 26 November 1980 | RO 50-020/79-4A:supplemental Info Re Apparent Fuel Element Cladding Failure Originally Reported on 790702.Caused by Mfg Deficiency.Element Continously Monitored | |
ML19312E614 | 27 May 1980 | Forwards Revised Page 2 of RO 50-20/80-2 Dtd 800523.Revision Corrects Second Paragraph of Section 7 Re Frequency of Blade Thickness Measurements & Clarifies Description of Electromagnetic Coupling of Blade | |
ML19323G422 | 23 May 1980 | RO 50-20/80-02:on 800519,intermittent Binding of Shim Blade Number 1 Not in Accordance W/Tech Specs.Caused by Foreign Matl Impeding Motion.Electromagnet Containing Foreign Matl Replaced & Other Blades Checked | |
ML19323D508 | 25 April 1980 | RO 50-20/80-1:on 800322,initial Rept Was Made Re Failure of Outer Door of Truck Airlock to Maintain Leak Rate of Bldg Containment Limits.Caused by Seal Leak in Outer Door. Door Will Not Be Routinely Opened Until Gasket Is Replaced | |
ML19250C068 | 19 October 1979 | RO 50-20/79-5:on 791010,compiled 10-day Startup W/Only One Operable Nuclear Safety Channel Level Scram.Caused by Broken Resistor on Amplifier Circuit Board.Circuit Board Repaired |